<!--// hide from old browsers
var dom=document.getElementById?1:0;

//
// Browser Detection
//
isMac = (navigator.appVersion.indexOf("Mac")!=-1) ? true : false;
NS4 = (document.layers) ? true : false;
IEmac = ((document.all)&&(isMac)) ? true : false;
IE4plus = (document.all) ? true : false;
IE4 = ((document.all)&&(navigator.appVersion.indexOf("MSIE 4.")!=-1)) ? true : false;
IE5 = ((document.all)&&(navigator.appVersion.indexOf("MSIE 5.")!=-1)) ? true : false;
IE6 = ((document.all)&&(navigator.appVersion.indexOf("MSIE 6.")!=-1)) ? true : false;
ver4 = (NS4 || IE4plus) ? true : false;
NS6 = (!document.layers) && (navigator.userAgent.indexOf('Netscape')!=-1)?true:false;
opera = (navigator.userAgent.indexOf('Opera') > -1) ? true : false;

IE5plus = IE5 || IE6;
IEMajor = 0;

if (IE4plus)
{
	var start = navigator.appVersion.indexOf("MSIE");
	var end = navigator.appVersion.indexOf(".",start);
	IEMajor = parseInt(navigator.appVersion.substring(start+5,end));
	IE5plus = (IEMajor>=5) ? true : false;
}

function confirmSubmit()
{
var agree=confirm("Submit Survey?");
if (agree)
	return true ;
else
	return false ;
}

function validate()
{
	var errStr = "";
	var myObj;
	myObj = document.getElementById("name9")
	if (myObj.value.length==0)
	{
		errStr = errStr + "First Name";
	}
	myObj = document.getElementById("name10");
	if (myObj.value.length==0)
	{
		if (errStr.length!=0)
			errStr = errStr + ", ";
		errStr = errStr + "Last Name";
	}
	myObj = document.getElementById("phone2");
	if (myObj.value.length==0)
	{
		if (errStr.length!=0)
			errStr = errStr + ", ";
		errStr = errStr + "Phone";
	}	
	myObj = document.getElementById("sb_id_num");
	if (myObj.value.length==0)
	{
		if (errStr.length!=0)
			errStr = errStr + ", ";
		errStr = errStr + "Student ID";
	}
	myObj = document.getElementById("email");
	if (myObj.value.length==0)
	{ 
		if (errStr.length!=0)
			errStr = errStr + ", ";
		errStr = errStr + "Email"; 
	}
	myObj = document.getElementById("address"); 
	if (myObj.value.length==0)
	{
		if (errStr.length!=0)
			errStr = errStr + ", ";
		errStr = errStr + "Address";
	}	 
	if (errStr.length!=0)
	{ 
		alert("Please Enter: " + errStr);
		return false;
	}
	else
	{
		var agree=confirm("Submit Survey?");
		if (agree)
			return true ;
		else
			return false ;
	}
}

function showHide(obj) {
	var myObj;
  	if (dom) {
		myObj = document.getElementById(obj);
		if(myObj.style.display != "block") {
			myObj.style.display="block";
		}
		else {
			myObj.style.display="none";
		}
	}
}


function show(obj) {
  var myObj;
  if (dom) {
     myObj = document.getElementById(obj);
     myObj.style.display = "block";
  }
}

function hide(obj) {
  var myObj;
  if (dom) {
     myObj = document.getElementById(obj);
     myObj.style.display = "none";
  }
}

function setVisibility(obj, value) {
  var myObj;
  if (dom) {
     myObj = document.getElementById(obj);
	   myObj.style.visibility = value;
  }
}

//-->