function Validator(frmname)
{
	this.validate_on_killfocus=false;
    this.formobj=document.forms[frmname];
	if(!this.formobj)
	{
	  alert("Error: couldnot get Form object "+frmname);
		return;
	}
	if(this.formobj.onsubmit)
	{
	 this.formobj.old_onsubmit = this.formobj.onsubmit;
	 this.formobj.onsubmit=null;
	}
	else
	{
	 this.formobj.old_onsubmit = null;
	}
	this.formobj._sfm_form_name=frmname;

	this.formobj.onsubmit=form_submit_handler;
	this.addValidation = add_validation;
    
    this.formobj.addnlvalidations = new Array();
    this.addAddnlValidationFunction = add_addnl_vfunction;
    this.formobj.runAddnlValidations = run_addnl_validations;
    

	this.clearAllValidations = clear_all_validations;
    this.disable_validations = false;
    
    document.error_disp_handler = new sfm_ErrorDisplayHandler();
    
    this.EnableOnPageErrorDisplay=validator_enable_OPED;
	this.EnableOnPageErrorDisplaySingleBox=validator_enable_OPED_SB;

    this.show_errors_together=false;
    this.EnableMsgsTogether=sfm_enable_show_msgs_together;
    document.set_focus_onerror=true;
    this.EnableFocusOnError=sfm_validator_enable_focus;

    this.formobj.error_display_loc = 'right';
    this.SetMessageDisplayPos = sfm_validator_message_disp_pos;
}


function sfm_validator_enable_focus(enable)
{
    document.set_focus_onerror = enable;
}

function add_addnl_vfunction()
{
     var proc = {};
     proc.func = arguments[0];
     proc.arguments = [];

     for(var i = 1; i < arguments.length; i++ )
     {          
        proc.arguments.push(arguments[i]);       
     }           
     this.formobj.addnlvalidations.push(proc);  
}

function run_addnl_validations()
{
    var ret = true;
    for(var f=0;f<this.addnlvalidations.length;f++)
    {
        var proc = this.addnlvalidations[f];
        var args = proc.arguments || [];
        if(!proc.func.apply(null, args))
        {
            ret = false;
        }
    }
    return ret;
}

function sfm_set_focus(objInput)
{
    if(document.set_focus_onerror)
    {
        if(!objInput.disabled && objInput.type != 'hidden')
        {
            objInput.focus();
        }
    }
}

function sfm_enable_show_msgs_together()
{
    this.show_errors_together=true;
    this.formobj.show_errors_together=true;
}

function sfm_validator_message_disp_pos(pos)
{
    this.formobj.error_display_loc= pos;
}
function clear_all_validations()
{
	for(var itr=0;itr < this.formobj.elements.length;itr++)
	{
		this.formobj.elements[itr].validationset = null;
	}
}
function form_submit_handler()
{
   var bRet = true;
    document.error_disp_handler.clear_msgs();
	for(var itr=0;itr < this.elements.length;itr++)
	{
		if(this.elements[itr].validationset &&
	   !this.elements[itr].validationset.validate())
		{
		  bRet = false;
		}
        if(!bRet && !this.show_errors_together)
        {
          break;

        }
	}

    if(this.show_errors_together ||
      bRet && !this.show_errors_together)
      {
        if(!this.runAddnlValidations())
        {
            bRet = false;
        }
      }
   if(!bRet)
    {
      document.error_disp_handler.FinalShowMsg();
      return false;
    }
	return true;
}

function add_validation(itemname,descriptor,errstr)
{
	var condition = null;
	if(arguments.length > 3)
	{
	 condition = arguments[3]; 
	}
	if(!this.formobj)
	{
		alert("Error: The form object is not set properly");
		return;
	}//if
	var itemobj = this.formobj[itemname];

    if(itemobj.length && isNaN(itemobj.selectedIndex) )
    //for radio button; don't do for 'select' item
	{
		itemobj = itemobj[0];
	}	
	if(!itemobj)
	{
		alert("Error: Couldnot get the input object named: "+itemname);
		return;
	}
	if(true == this.validate_on_killfocus)
	{
	  itemobj.onblur=handle_item_on_killfocus;
	}
	if(!itemobj.validationset)
	{
		itemobj.validationset = new ValidationSet(itemobj,this.show_errors_together);
	}
	itemobj.validationset.add(descriptor,errstr,condition);
    itemobj.validatorobj=this;
}

function handle_item_on_killfocus()
{
    if(this.validatorobj.disable_validations == true)
    {
        /*
            To avoid repeated looping message boxes
        */
        this.validatorobj.disable_validations = false;
        return false;
    }
    
	if(null != this.validationset)
	{
        document.error_disp_handler.clear_msgs();
		if(false == this.validationset.validate())
		{
            document.error_disp_handler.FinalShowMsg();
			return false;
		}
	}
}

function validator_enable_OPED()
{
    document.error_disp_handler.EnableOnPageDisplay(false);
}

function validator_enable_OPED_SB()
{
	document.error_disp_handler.EnableOnPageDisplay(true);
}

function sfm_ErrorDisplayHandler()
{
  this.msgdisplay = new AlertMsgDisplayer();
  this.EnableOnPageDisplay= edh_EnableOnPageDisplay;
  this.ShowMsg=edh_ShowMsg;
  this.FinalShowMsg=edh_FinalShowMsg;
  this.all_msgs=new Array();
  this.clear_msgs=edh_clear_msgs;
}

function edh_clear_msgs()
{
    this.msgdisplay.clearmsg(this.all_msgs);
    this.all_msgs = new Array();
}

function edh_FinalShowMsg()
{
    if(this.all_msgs.length == 0){ return ;}
    this.msgdisplay.showmsg(this.all_msgs);
}

function edh_EnableOnPageDisplay(single_box)
{
	if(true == single_box)
	{
		this.msgdisplay = new SingleBoxErrorDisplay();
	}
	else
	{
		this.msgdisplay = new DivMsgDisplayer();		
	}
}

function edh_ShowMsg(msg,input_element)
{
   var objmsg = new Array();
   objmsg["input_element"] = input_element;
   objmsg["msg"] =  msg;
   this.all_msgs.push(objmsg);
}

function AlertMsgDisplayer()
{
  this.showmsg = alert_showmsg;
  this.clearmsg=alert_clearmsg;
}

function alert_clearmsg(msgs)
{

}

function alert_showmsg(msgs)
{
    var whole_msg="";
    var first_elmnt=null;
    for(var m=0;m < msgs.length;m++)
    {
        if(null == first_elmnt)
        {
            first_elmnt = msgs[m]["input_element"];
        }
        whole_msg += msgs[m]["msg"] + "\n";
    }
	
    alert(whole_msg);

    if(null != first_elmnt)
    {
        sfm_set_focus(first_elmnt);
    }
}

function sfm_show_error_msg(msg,input_elmt)
{
    document.error_disp_handler.ShowMsg(msg,input_elmt);
}

function SingleBoxErrorDisplay()
{
 this.showmsg=sb_div_showmsg;
 this.clearmsg=sb_div_clearmsg;
}

function sb_div_clearmsg(msgs)
{
	var divname = form_error_div_name(msgs);
	sfm_show_div_msg(divname,"");
}

function sb_div_showmsg(msgs)
{
	var whole_msg="<ul>\n";
	for(var m=0;m < msgs.length;m++)
    {
        whole_msg += "<li>" + msgs[m]["msg"] + "</li>\n";
    }
	whole_msg += "</ul>";
	var divname = form_error_div_name(msgs);
    var anc_name = divname+"_loc";
    whole_msg = "<a name='"+anc_name+"' >"+whole_msg;

	sfm_show_div_msg(divname,whole_msg);

    window.location.hash = anc_name;
}

function form_error_div_name(msgs)
{
	var input_element= null;

	for(var m in msgs)
	{
	 input_element = msgs[m]["input_element"];
	 if(input_element){break;}
	}

	var divname ="";
	if(input_element)
	{
	 divname = input_element.form._sfm_form_name + "_errorloc";
	}

	return divname;
}

function sfm_show_div_msg(divname,msgstring)
{
	if(divname.length<=0) return false;

	if(document.layers)
	{
		divlayer = document.layers[divname];
        if(!divlayer){return;}
		divlayer.document.open();
		divlayer.document.write(msgstring);
		divlayer.document.close();
	}
	else
	if(document.all)
	{
		divlayer = document.all[divname];
        if(!divlayer){return;}
		divlayer.innerHTML=msgstring;
	}
	else
	if(document.getElementById)
	{
		divlayer = document.getElementById(divname);
        if(!divlayer){return;}
		divlayer.innerHTML =msgstring;
	}
	divlayer.style.visibility="visible";	
	return false;
}

function DivMsgDisplayer()
{
 this.showmsg=div_showmsg;
 this.clearmsg=div_clearmsg;
}

function div_clearmsg(msgs)
{
    for(var m in msgs)
    {
        var divname = element_div_name(msgs[m]["input_element"]);
        var divxx = document.getElementById(divname);
        if(divxx)
        {
            divxx.parentNode.removeChild(divxx);
        }
    }
}

function element_div_name(input_element)
{
  var divname = input_element.form._sfm_form_name + "_" + 
                   input_element.name + "_errorloc";

  divname = divname.replace(/[\[\]]/gi,"");

  return divname;
}

function sfm_getAbsX(obj)
{
  var leftOffset = 0;
  if (obj.offsetParent)
  {
        while (obj.offsetParent)
        {
              leftOffset += obj.offsetLeft;
              obj = obj.offsetParent;
        }
  }
  else if (obj.x) //for NN4
  {
        leftOffset = obj.x;
  }
  return leftOffset;
}

function sfm_getAbsY(obj)
{
  var topOffset = 0;
  if (obj.offsetParent)
  {
        while (obj.offsetParent)
        {
              topOffset += obj.offsetTop;
              obj = obj.offsetParent;
        }
  }
  else if (obj.y) // for NN4
  {
        topOffset = obj.y;
  }
  return topOffset;
}

function div_showmsg(msgs)
{
    var whole_msg;
    var first_elmnt=null;

    this.clearmsg(msgs);
    for(var m in msgs)
    {
        if(null == first_elmnt)
        {
            first_elmnt = msgs[m]["input_element"];
        }
        var divname = element_div_name(msgs[m]["input_element"]);
        sfm_show_floating_div_msg(divname,msgs[m]["msg"],msgs[m]["input_element"]);
    }
    if(null != first_elmnt)
    {
        sfm_set_focus(first_elmnt);
    }
}

function sfm_removeNode(nodeid)
{
	var divxx = document.getElementById(nodeid);
	divxx.parentNode.removeChild(divxx);
}
function sfm_show_floating_div_msg(divname,msgstring,inputobj)
{
	if(divname.length<=0) return false;

    var popUpCode = "<div class='sfm_float_error_box' id='"+divname+"' >"+
        "<table border='0' cellspacing='0' ><tr><td class='sfm_float_box_td'>" + msgstring + " &nbsp; </td> "+
        "<td class='sfm_close_box' width='20px' onclick='sfm_removeNode(\""+divname+"\")'>X</td></tr></table></div>"

    var div = document.createElement('div'); 
    div.innerHTML = popUpCode; 
    document.body.appendChild(div);

    var rel_obj = inputobj;

    if(inputobj.parentNode && inputobj.parentNode.className == 'sfm_element_container')
    {
        rel_obj = inputobj.parentNode;
    }
    else
    if(inputobj.type && 
     (inputobj.type =='checkbox'||inputobj.type == 'radio') && 
      inputobj.parentNode)
    {
        rel_obj = inputobj.parentNode;
    }

    var errposx = sfm_getAbsX(rel_obj);
	var errposy = sfm_getAbsY(rel_obj);

    var divxx = document.getElementById(divname);

    if(inputobj.form.error_display_loc == 'top')
    {
        errposy -= divxx.offsetHeight;
        errposy += 2;
        errposx += 10;
    }
    else
    if(inputobj.form.error_display_loc == 'right')
    {
        var offsetWidth  = rel_obj.offsetWidth;
        var offsetHeight = rel_obj.offsetHeight;

        errposx += offsetWidth;
        errposx += 4;
        
        errposy += ( offsetHeight - divxx.offsetHeight)/2;
    }
    divxx.style.top  = errposy + 'px';
    divxx.style.left = errposx + 'px'; 
    divxx.handlerobj = new SFM_MoveablePopup(divxx);

	return false;
}

function ValidationDesc(inputitem,desc,error,condition)
{
    this.desc=desc;
	this.error=error;
	this.itemobj = inputitem;
	this.condition = condition;
	this.validate=vdesc_validate;
}
function vdesc_validate()
{
	if(this.condition != null )
	{
		if(!eval(this.condition))
		{
			return true;
		}
	}
	if(!validateInput(this.desc,this.itemobj,this.error))
	{
       this.itemobj.validatorobj.disable_validations=true;
		sfm_set_focus(this.itemobj);
	   return false;
	}
	
	return true;
}

function ValidationSet(inputitem,msgs_together)
{
    this.vSet=new Array();
	this.add= add_validationdesc;
	this.validate= vset_validate;
	this.itemobj = inputitem;
    this.msgs_together = msgs_together;
}

function add_validationdesc(desc,error,condition)
{
  this.vSet[this.vSet.length]= 
  new ValidationDesc(this.itemobj,desc,error,condition);
}

function vset_validate()
{
    var bRet = true;
    for(var itr=0;itr<this.vSet.length;itr++)
    {
        bRet = bRet && this.vSet[itr].validate();
        if(!bRet && !this.msgs_together)
        {
            break;
        }
    }
    return bRet;
}
/*  checks the validity of an email address entered 
*   returns true or false 
*/ 
function validateEmail(email)
{
    var splitted = email.match("^(.+)@(.+)$");
    if(splitted == null) return false;
    if(splitted[1] != null )
    {
      var regexp_user=/^\"?[\w-_\.]*\"?$/;
      if(splitted[1].match(regexp_user) == null) return false;
    }
    if(splitted[2] != null)
    {
      var regexp_domain=/^[\w-\.]*\.[A-Za-z]{2,4}$/;
      if(splitted[2].match(regexp_domain) == null) 
      {
	    var regexp_ip =/^\[\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\]$/;
	    if(splitted[2].match(regexp_ip) == null) return false;
      }// if
      return true;
    }
return false;
}

function TestComparison(objValue,strCompareElement,strvalidator,strError)
{
   var bRet=true;
   var objCompare=null;
   if(!objValue.form)
   {
      sfm_show_error_msg("Error: No Form object!",objValue);
	  return false
   }
   objCompare = objValue.form.elements[strCompareElement];
   if(!objCompare)
   {
     sfm_show_error_msg("Error: Element with name"+strCompareElement+" not found !",objValue);
     return false;
   }

   var objval_value = objValue.value;
   var objcomp_value = objCompare.value;
   
   if(strvalidator != "eqelmnt" &&
   	  strvalidator != "neelmnt")
   {
        objval_value = objval_value.replace(/\,/g,"");
        objcomp_value = objcomp_value.replace(/\,/g,"");

        if(isNaN(objval_value)) 
        { 
            sfm_show_error_msg(objValue.name+": Should be a number ",objValue); 
            return false; 
        }//if 
        if(isNaN(objcomp_value)) 
        { 
            sfm_show_error_msg(objCompare.name+": Should be a number ",objCompare); 
            return false; 
        }//if 	  
   }//if
   var cmpstr="";
   switch(strvalidator)
   {
       case "eqelmnt": 
			{
			   if(objval_value != objcomp_value)
			   {
 	 		      cmpstr = " should be equal to ";
			      bRet = false;
			   }//if
			   break;
			}//case
		case "ltelmnt":
			{
			if(eval(objval_value) >= eval(objcomp_value)) 
				{
			       cmpstr =  " should be less than "; 
			       bRet = false;					
				}
			  break;
			}//case
		case "leelmnt":
			{
				if(eval(objval_value) >  eval(objcomp_value)) 
				{
			       cmpstr =  " should be less than or equal to"; 
			       bRet = false;					
				}
			  break;
			}//case		
		case "gtelmnt":
			{
				if(eval(objval_value) <=  eval(objcomp_value)) 
				{
			       cmpstr =  " should be greater than"; 
			       bRet = false;					
				}
			  break;
			}//case
		case "geelmnt":
			{
				if(eval(objval_value) < eval(objcomp_value)) 
				{
			       cmpstr =  " should be greater than or equal to"; 
			       bRet = false;					
				}
			  break;
			}//case
		case "neelmnt":
			{
			   if(objval_value.length > 0 &&
			     objcomp_value.length > 0 &&
			     objval_value == objcomp_value)
			   {
 	 		      cmpstr = " should be different from ";
			      bRet = false;
			   }//if
			   break;			
			}			
   }//switch
   if(bRet==false)
   {
      if(!strError || strError.length==0)
	  {
	    strError = objValue.name + cmpstr + objcomp_value; 
	  }//if
	  sfm_show_error_msg(strError,objValue);
   }//if
   return bRet;
}
function TestSelMin(objValue,strMinSel,strError)
{
    var bret = true;
	var objcheck = objValue.form.elements[objValue.name];
	var chkcount =0;
	if(objcheck.length)
	{
		for(var c=0;c < objcheck.length;c++)
		{
		   if(objcheck[c].checked == "1")
		   {
		     chkcount++;
		   }//if
		}//for
	}
	else
	{
	  chkcount = (objcheck.checked == "1")?1:0;
	}
	var minsel = eval(strMinSel);
	if(chkcount < minsel)
	{
		if(!strError || strError.length ==0) 
		{ 
			strError = "Please Select atleast"+minsel+" check boxes for"+objValue.name;  
		}//if                                                               
		sfm_show_error_msg(strError,objValue); 
		bret = false;
	}
	return bret;
}

function TestSelMax(objValue,strMaxSel,strError)
{
    var bret = true;
	var objcheck = objValue.form.elements[objValue.name];
	var chkcount =0;
	if(objcheck.length)
	{
		for(var c=0;c < objcheck.length;c++)
		{
		   if(objcheck[c].checked == "1")
		   {
		     chkcount++;
		   }//if
		}//for
	}
	else
	{
	  chkcount = (objcheck.checked == "1")?1:0;
	}
	var maxsel = eval(strMaxSel);
	if(chkcount > maxsel)
	{
		if(!strError || strError.length ==0) 
		{ 
			strError = "Please Select atmost "+maxsel+" check boxes for"+objValue.name;  
		}//if                                                               
		sfm_show_error_msg(strError,objValue); 
		bret = false;
	}
	return bret;
}
function IsCheckSelected(objValue,chkValue)
{
    var selected=false;
	var objcheck = objValue.form.elements[objValue.name];
    if(objcheck.length)
	{
		var idxchk=-1;
		for(var c=0;c < objcheck.length;c++)
		{
		   if(objcheck[c].value == chkValue)
		   {
		     idxchk=c;
			 break;
		   }//if
		}//for
		if(idxchk>= 0)
		{
		  if(objcheck[idxchk].checked=="1")
		  {
		    selected=true;
		  }
		}//if
	}
	else
	{
		if(objValue.checked == "1")
		{
			selected=true;
		}//if
	}//else	

	return selected;
}

function TestDontSelectChk(objValue,chkValue,strError)
{
	var pass = true;
	pass = IsCheckSelected(objValue,chkValue)?false:true;

	if(pass==false)
	{
     if(!strError || strError.length ==0) 
        { 
        	strError = "Can't Proceed as you selected "+objValue.name;  
        }//if			  
	  sfm_show_error_msg(strError,objValue);
	  
	}
    return pass;
}

function TestShouldSelectChk(objValue,chkValue,strError)
{
	var pass = true;

	pass = IsCheckSelected(objValue,chkValue)?true:false;

	if(pass==false)
	{
     if(!strError || strError.length ==0) 
        { 
        	strError = "You should select"+objValue.name;  
        }//if			  
	  sfm_show_error_msg(strError,objValue);
	  
	}
    return pass;
}

function TestRequiredInput(objValue,strError)
{
 var ret = true;
    if(VWZ_IsEmpty(objValue.value)) 
    { 
       ret=false;
    }//if 
    else 
    if(objValue.getcal && !objValue.getcal())
    {
        ret=false; 
    }

    if(!ret)
    {
       if(!strError || strError.length ==0) 
       { 
         strError = objValue.name + " : Required Field"; 
       }//if 
       sfm_show_error_msg(strError,objValue);
    }
return ret;
}
function TestFileExtension(objValue,cmdvalue,strError)
{
    var ret=false;
    var found=false;

    if(objValue.value.length <= 0)
    {//The 'required' validation is not done here
        return true;
    }

    var extns = cmdvalue.split(";");
    for(var i=0;i < extns.length;i++)
    {
        ext = objValue.value.substr(objValue.value.length - extns[i].length,extns[i].length);
        ext = ext.toLowerCase();
        if(ext == extns[i])
        {
            found=true;break;
        }
    }
    if(!found)
    {
       if(!strError || strError.length ==0) 
       { 
         strError = objValue.name + " allowed file extensions are: "+cmdvalue; 
       }//if 
       sfm_show_error_msg(strError,objValue); 
       ret=false;        
    }
    else
    {
        ret=true;
    }
    return ret;
}
function TestMaxLen(objValue,strMaxLen,strError)
{
 var ret = true;
    if(eval(objValue.value.length) > eval(strMaxLen)) 
    { 
      if(!strError || strError.length ==0) 
      { 
        strError = objValue.name + " : "+ strMaxLen +" characters maximum "; 
      }//if 
      sfm_show_error_msg(strError,objValue); 
      ret = false; 
    }//if 
return ret;
}

function TestMinLen(objValue,strMinLen,strError)
{
 var ret = true;
    if(eval(objValue.value.length) <  eval(strMinLen)) 
    { 
      if(!strError || strError.length ==0) 
      { 
        strError = objValue.name + " : " + strMinLen + " characters minimum  "; 
      }//if               
      sfm_show_error_msg(strError,objValue); 
      ret = false;   
    }//if 
return ret;
}

function TestInputType(objValue,strRegExp,strError,strDefaultError)
{
   var ret = true;

    var charpos = objValue.value.search(strRegExp); 
    if(objValue.value.length > 0 &&  charpos >= 0) 
    { 
     if(!strError || strError.length ==0) 
      { 
        strError = strDefaultError;
      }//if 
      sfm_show_error_msg(strError,objValue); 
      ret = false; 
    }//if 
 return ret;
}

function TestEmail(objValue,strError)
{
var ret = true;
     if(objValue.value.length > 0 && !validateEmail(objValue.value)	 ) 
     { 
       if(!strError || strError.length ==0) 
       { 
          strError = objValue.name+": Enter a valid Email address "; 
       }//if                                               
       sfm_show_error_msg(strError,objValue); 
       ret = false; 
     }//if 
return ret;
}

function TestLessThan(objValue,strLessThan,strError)
{
var ret = true;
      var obj_value = objValue.value.replace(/\,/g,"");
      strLessThan = strLessThan.replace(/\,/g,"");

	  if(isNaN(obj_value)) 
	  { 
	    sfm_show_error_msg(objValue.name +": Should be a number ",objValue); 
	    ret = false; 
	  }//if 
	  else
	  if(eval(obj_value) >=  eval(strLessThan)) 
	  { 
	    if(!strError || strError.length ==0) 
	    { 
	      strError = objValue.name + " : value should be less than "+ strLessThan; 
	    }//if               
	    sfm_show_error_msg(strError,objValue); 
	    ret = false;                 
	  }//if   
return ret;          
}

function TestGreaterThan(objValue,strGreaterThan,strError)
{
var ret = true;
    var obj_value = objValue.value.replace(/\,/g,"");
    strGreaterThan = strGreaterThan.replace(/\,/g,"");        

    if(isNaN(obj_value)) 
    { 
        sfm_show_error_msg(objValue.name+": Should be a number ",objValue); 
        ret = false; 
    }//if 
    else
    if(eval(obj_value) <=  eval(strGreaterThan)) 
    { 
        if(!strError || strError.length ==0) 
        { 
          strError = objValue.name + " : value should be greater than "+ strGreaterThan; 
        }//if               
        sfm_show_error_msg(strError,objValue);  
        ret = false;
    }//if  
return ret;           
}

function TestRegExp(objValue,strRegExp,strError)
{
var ret = true;
    if( objValue.value.length > 0 && 
        !objValue.value.match(strRegExp) ) 
    { 
      if(!strError || strError.length ==0) 
      { 
        strError = objValue.name+": Invalid characters found "; 
      }//if                                                               
      sfm_show_error_msg(strError,objValue); 
      ret = false;                   
    }//if 
return ret;
}
function TestDontSelect(objValue,dont_sel_value,strError)
{
var ret = true;
     if(objValue.value == null) 
     { 
       sfm_show_error_msg("Error: dontselect command for non-select Item",objValue); 
       ret = false; 
     } 
	 else
     if(objValue.value == dont_sel_value) 
     { 
      if(!strError || strError.length ==0) 
       { 
        strError = objValue.name+": Please Select one option "; 
       }//if                                                               
       sfm_show_error_msg(strError,objValue); 
       ret =  false;                                   
      } 
return ret;
}

function TestSelectOneRadio(objValue,strError)
{
	var objradio = objValue.form.elements[objValue.name];
	var one_selected=false;
	for(var r=0;r < objradio.length;r++)
	{
	  if(objradio[r].checked == "1")
	  {
	  	one_selected=true;
		break;
	  }
	}
	if(false == one_selected)
	{
      if(!strError || strError.length ==0) 
       {
	    strError = "Please select one option from "+objValue.name;
	   }	
	  sfm_show_error_msg(strError,objValue);
	}
return one_selected;
}

function TestSelectRadio(objValue,cmdvalue,strError,testselect)
{
	var objradio = objValue.form.elements[objValue.name];
	var selected=false;
    
	for(var r=0;r < objradio.length;r++)
	{
	  if(objradio[r].value == cmdvalue && objradio[r].checked == "1")
	  {
	  	selected=true;
		break;
	  }
	}
	if(testselect==true && false == selected || 
       testselect==false && true == selected)
	{
	    sfm_show_error_msg(strError,objValue);
        return false;
	}
return true;
}

function TestDateComparison(objValue,cmdvalue,strError,test_after)
{
    ret=false;

    if(objValue.value.length <= 0)
    {//The 'required' validation is not done here
        return true;
    }
    var dateother = sfm_val_getOtherDate(objValue,cmdvalue);
    var valuedateobj =  objValue.getcal();
    if(dateother && valuedateobj)
    {
        var error = false;
        if(test_after)
        {
            error = sfm_compare_dates(dateother,valuedateobj) <= 0?true:false;
        }
        else
        {//test_before
            error = sfm_compare_dates(dateother,valuedateobj) >= 0?true:false;
        }
        if(error)
        {
            sfm_show_error_msg(strError,objValue);
        }
        else
        {
            ret=true;
        }
    }
    else
    {
        sfm_show_error_msg("Invalid date value",objValue); ret=false;
    }
    return ret;
}

function sfm_val_getOtherDate(objValue,cmdvalue)
{
    var date_ret;
    if(cmdvalue == "SameDay")
    {
        date_ret = new Date();
    }
    else
    {
        var ret_arr = cmdvalue.match(/^(\w+)\(([\d\w\-]+)\)$/);
        if('FixedDate' == ret_arr[1])
        {
            var date_str = ret_arr[2];
            var date_arr = date_str.match(/^(\d*)\-(\d*)\-(\d*)$/);
            date_ret = new Date();
            date_ret.setFullYear(parseInt(date_arr[1],10));
            date_ret.setMonth(parseInt(date_arr[2],10)-1);
            date_ret.setDate(parseInt(date_arr[3],10));
        }
        else
        if('Field' == ret_arr[1])
        {
            var field_name = ret_arr[2];
            date_ret = objValue.form.elements[field_name].getcal();
        }
    }
    return date_ret;
}

//*  Checks each field in a form 
function validateInput(strValidateStr,objValue,strError) 
{ 

    var ret = true;
    var epos = strValidateStr.search("="); 
    var  command  = ""; 
    var  cmdvalue = ""; 
    if(epos >= 0) 
    { 
     command  = strValidateStr.substring(0,epos); 
     cmdvalue = strValidateStr.substr(epos+1); 
    } 
    else 
    { 
     command = strValidateStr; 
    } 
	
    switch(command) 
    { 
        case "req": 
        case "required": 
         { 
		   ret = TestRequiredInput(objValue,strError)
           break;             
         }
        case "maxlength": 
        case "maxlen": 
          { 
			 ret = TestMaxLen(objValue,cmdvalue,strError)
             break; 
          }
        case "minlength": 
        case "minlen": 
           { 
			 ret = TestMinLen(objValue,cmdvalue,strError)
             break; 
           }
        case "alnum": 
        case "alphanumeric": 
           { 
				ret = TestInputType(objValue,"[^A-Za-z0-9]",strError, 
						objValue.name+": Only alpha-numeric characters allowed ");
				break; 
           }
        case "alnum_s": 
        case "alphanumeric_space": 
           { 
				ret = TestInputType(objValue,"[^A-Za-z0-9\\s]",strError, 
						objValue.name+": Only alpha-numeric characters and space allowed ");
				break; 
           }		   
        case "num": 
        case "numeric": 
           { 
                if( objValue.value.length > 0 && 
                    !objValue.value.match(/^[\-\+]?[\d\,]*\.?[\d]*$/) ) 
                { 
                  sfm_show_error_msg(strError,objValue); 
                  ret = false;                   
                }//if 

                break;               
           }
        case "alphabetic": 
        case "alpha": 
           { 
                ret = TestInputType(objValue,"[^A-Za-z]",strError, 
						objValue.name+": Only alphabetic characters allowed ");
                break; 
           }
        case "alphabetic_space": 
        case "alpha_s": 
           { 
                ret = TestInputType(objValue,"[^A-Za-z\\s]",strError, 
						objValue.name+": Only alphabetic characters and space allowed ");
                break; 
           }
        case "email": 
          { 
			   ret = TestEmail(objValue,strError);
               break; 
          }
        case "lt": 
        case "lessthan": 
         { 
    	      ret = TestLessThan(objValue,cmdvalue,strError);
              break; 
         }
        case "gt": 
        case "greaterthan": 
         { 
			ret = TestGreaterThan(objValue,cmdvalue,strError);
            break; 
         }
        case "regexp": 
         { 
			ret = TestRegExp(objValue,cmdvalue,strError);
           break; 
         }
        case "dontselect": 
         { 
			 ret = TestDontSelect(objValue,cmdvalue,strError)
             break; 
         }
		case "dontselectchk":
		{
			ret = TestDontSelectChk(objValue,cmdvalue,strError)
			break;
		}
		case "shouldselchk":
		{
			ret = TestShouldSelectChk(objValue,cmdvalue,strError)
			break;
		}
		case "selmin":
		{
			ret = TestSelMin(objValue,cmdvalue,strError);
			break;
		}
		case "selmax":
		{
			ret = TestSelMax(objValue,cmdvalue,strError);
			break;
		}
		case "selone":
		{
			ret = TestSelectOneRadio(objValue,strError);
		    break;
		}		 
        case "dontselectradio":
        {
            ret = TestSelectRadio(objValue,cmdvalue,strError,false);
            break;
        }
        case "selectradio":
        {
            ret = TestSelectRadio(objValue,cmdvalue,strError,true);
            break;
        }
		//Comparisons
		case "eqelmnt": 
		case "ltelmnt":
		case "leelmnt":
		case "gtelmnt":
		case "geelmnt":
		case "neelmnt":
		{
		    return TestComparison(objValue,cmdvalue,command,strError);
    		break;
		}
        case "req_file":
        {
           ret = TestRequiredInput(objValue,strError);
           break;
        }
        case "file_extn":
        {
            ret = TestFileExtension(objValue,cmdvalue,strError);
            break;
        }
        case "after_date":
        {
            ret = TestDateComparison(objValue,cmdvalue,strError,/*test_after*/true)
            break;
        }
        case "before_date":
        {
            ret = TestDateComparison(objValue,cmdvalue,strError,/*test_after*/false)
            break;
        }

    }//switch 
    return ret; 
}
function VWZ_IsListItemSelected(listname,value)
{
 for(var i=0;i < listname.options.length;i++)
 {
  if(listname.options[i].selected == true &&
   listname.options[i].value == value) 
   {
     return true;
   }
 }
 return false;
}

function VWZ_IsChecked(objcheck,value)
{
 if(objcheck.length)
 {
     for(var c=0;c < objcheck.length;c++)
     {
       if(objcheck[c].checked == "1" && 
	     objcheck[c].value == value)
       {
        return true; 
       }
     }
 }
 else
 {
  if(objcheck.checked == "1" )
   {
    return true; 
   }    
 }
 return false;
}

function sfm_str_trim(strIn)
{
    return strIn.replace(/^\s\s*/, '').replace(/\s\s*$/, '');
}

function sfm_compare_dates(date1,date2)
{
    var d1 = date1.print('%Y-%m-%d');
    var d2 = date2.print('%Y-%m-%d');
    if(d1 < d2 )
    {
        return 1;
    }
    else
    if(d1 > d2)
    {
        return -1;
    }
    else
    {
        return 0;
    }
}
function VWZ_IsEmpty(value)
{
    value = sfm_str_trim(value);
    return (value.length) == 0?true:false;
}