var resetVal = false;
function validateCategory(frm)
{

	if (frm.awardtype.value == '' && frm.studylevel.value == '' && frm.georestriction.value == '' && frm.requiredaffiliations.value == '') 
	{		
			if (resetVal == false) {
				alert('You must select at least one search criteria.')
				return false;
			}
			else if (resetVal == true){
			
			for (var i=0;i<frm.awardtype.length;i++)
			frm.awardtype.options[i].selected = false;
	
		for (var i=0;i<frm.studylevel.length;i++)
			frm.studylevel.options[i].selected = false;
		
		for (var i=0;i<frm.georestriction.length;i++)
			frm.georestriction.options[i].selected = false;
	
		for (var i=0;i<frm.requiredaffiliations.length;i++)
			frm.requiredaffiliations.options[i].selected = false;
			
			resetVal = false;	
			return false;
			}
			
	}
		
	else if (frm.awardtype.value == '' || frm.studylevel.value == '' || frm.georestriction.value == '' || frm.requiredaffiliations.value == '') 
	{	
		if (resetVal == true){
			
			for (var i=0;i<frm.awardtype.length;i++)
			frm.awardtype.options[i].selected = false;
	
		for (var i=0;i<frm.studylevel.length;i++)
			frm.studylevel.options[i].selected = false;
		
		for (var i=0;i<frm.georestriction.length;i++)
			frm.georestriction.options[i].selected = false;
	
		for (var i=0;i<frm.requiredaffiliations.length;i++)
			frm.requiredaffiliations.options[i].selected = false;
			
			resetVal = false;	
			return false;
		}
		
	 }
	 else 
	 {	if (resetVal == true) {
		
		
		for (var i=0;i<frm.awardtype.length;i++)
			frm.awardtype.options[i].selected = false;
	
		for (var i=0;i<frm.studylevel.length;i++)
			frm.studylevel.options[i].selected = false;
		
		for (var i=0;i<frm.georestriction.length;i++)
			frm.georestriction.options[i].selected = false;
	
		for (var i=0;i<frm.requiredaffiliations.length;i++)
			frm.requiredaffiliations.options[i].selected = false;
		
			
		resetVal = false;
		return false;
		}	 
	 }	 
	 return true;        
}


function resubmit(theForm,resettype){
	
	if (resettype == true) {
		resetVal = true
	}    
}


//function submitOnEnter(frm) {
//
//	document.form2.submit();
//	
//	return true;
//}


function submitOnEnter(event)
//{
//var keycode;
//if (window.event) keycode = window.event.keyCode;
//else if (e) keycode = e.which;
//else return true;
//
//if (keycode == 13){
//	frm.document.form2.submit();	
//	return false;
//  }
//else
//   return true;
//}


{
if (event.keyCode == 13){
	document.form2.submit();	
	return false;
	}
else if(event.which == 13){
		document.form2.submit();	
		return false;
       } 
   }