var flag = 0;
var query = window.location.search.substring(1);
  var vars = query.split("&");
  for (var i=0;i<vars.length;i++) {
    var pair = vars[i].split("=");
    if (pair[0] == "done") {
		flag = 1;

    }
  } 
 // alert('Query Variable ' + variable + ' not found');
 if(flag ==1)
 {

      alert("Thank You for answering the Survey\nClick on \"View Results\" to see the results");
if (imgtd.style.display == 'none') 
{ 
imgtd.style.display = ''; 
}
	  }
function validate()
{
var errormsg = "";
var i=0;
var j=0;

var radname = "";
var radFlag = 0, chkFlag = 0, drpFlag = 0, usrFlag = 0;
for(i=0; i < document.SurveyProcess.elements.length; i++)
{


	if(document.SurveyProcess.elements[i].name.substring(0, 3) == "rad")
	{
	
		//	if(document.SurveyProcess.elements[i].name != radname )
			//{
					//	alert("HERE"+document.SurveyProcess.elements[i].name);
					//for(j=0; j < document.SurveyProcess.elements[i].name.length ; j++)
				//	{
						if (document.SurveyProcess.elements[i].checked == true)
						{
							
	
							radFlag = 1;
							
						}		
				//	}
		//	}
	}
		
		//radname = document.SurveyProcess.elements[i].name;
	if(document.SurveyProcess.elements[i].name.substring(0, 3) == "chk")
	{
		if (document.SurveyProcess.elements[i].checked == true)
						{
							
	
							chkFlag = 1;
							
						}
	}
	
	if(document.SurveyProcess.elements[i].name.substring(0, 3) == "drp")
	{
		if (document.SurveyProcess.elements[i].selectedIndex != 0)
						{
										
	
							drpFlag = 1;
							
						}
	}
	
	
	if(document.SurveyProcess.elements[i].name.substring(0, 3) == "usr")
	{
		if (document.SurveyProcess.elements[i].value != "")
						{
										
	
							usrFlag = 1;
							
						}
	}

		
 }  // For Loop ends
 
 if(radFlag == 1 || chkFlag == 1 || drpFlag == 1  || usrFlag == 1 )
 {
	errormsg ="";
 }
 else
 {	
 	errormsg ="You have to answer at least one question";
 }

	if(errormsg == "")
	{
document.SurveyProcess.submit();
	}
	else
	{
		alert(errormsg);
	}
return false;
}