var opnModal = function() {
    $('blockLayer').style.display = 'block';
    $('blockModal').style.display = 'block';
}
    
var clsModal = function() {
    $('blockLayer').style.display = 'none';
    $('blockModal').style.display = 'none';
    $('feedback').style.display = 'none';
}
var minModal = function() {
    $('blockLayer').style.display = 'none';
    $('feedback').style.display = 'block';
    $('blockModal').style.display = 'none';
}
var opnMsg = function() {
    $('blockLayer').style.display = 'block';
    $('message').style.display = 'block';
}
var clsMsg = function() {
    $('message').style.display = 'none';
    $('blockLayer').style.display = 'none';
}
//window.onload = check;
//window.onbeforeunload = askConfirm;
function askConfirm(){
	var flag=window.confirm("Would you like to participate in our survey ?");
        if(flag){
	alert("Ok, I like you");
	setCookie("survey","yes",1);
	window.location.reload();
	//window.href = "http://layers.raony.medicalmedia.nl";
	//window.location = "http://layers.raony.medicalmedia.nl";
	//location.href="http://layers.raony.medicalmedia.nl";
	//document.write("<META HTTP-EQUIV='Refresh' CONTENT='1;URL=http://layers.raony.medicalmedia.nl'>");
	//alert(window.location);
	//window.location.reload();
	//window.location="layers.raony.medicalmedia.nl";
	}
	else{
	alert("I don't like you");
	setCookie("survey","",1);
	}
        }
function respond(answer) {
	//var disclaim = getDisclaimElement();
		if (!answer) {
			//alert("Why Not ?");
			//$('message').style.display = 'none';
			$('blockLayer').style.display = 'none';
			$('feedback').style.display = 'none';
			setCookie("approved","yes",1);
		} else {
			//alert("Thanks A lot");
			  // $('message').style.display = 'none';
			   $('blockLayer').style.display = 'block';
			   $('blockModal').style.display = 'block';
			   setCookie("approved","yes",1);
			  
			//setCookie("approved","yes",1);
			//disclaim.className = "hidden";
		}
	}

function setCookie(cName,cValue,cExpireDays) {
		var expDate=new Date();
		expDate.setDate(expDate.getDate()+cExpireDays);
		document.cookie=cName+ "=" +escape(cValue)+
		((cExpireDays==null) ? "" : ";expires="+expDate.toGMTString());
	}
	
function getCookie(cName) {
		if (document.cookie.length>0)
		  {
		  cStart=document.cookie.indexOf(cName + "=");
		  if (cStart!=-1)
			{ 
			cStart=cStart + cName.length+1; 
			cEnd=document.cookie.indexOf(";",cStart);
			if (cEnd==-1) cEnd=document.cookie.length;
			return unescape(document.cookie.substring(cStart,cEnd));
			} 
		  }
		return "";
	}


function getBodyHeight() {
		return document.body.clientHeight;
	}
		
function check() {
		var survey = getCookie("survey");
		if(survey == "yes"){
		$('blockLayer').style.display = 'block';
		$('blockModal').style.display = 'block';
		}
		var allow = getCookie("approved");
		if (allow == "") {
			$('blockLayer').style.display = 'block';
			$('message').style.display = 'block';
			
		} else {
			//disclaim.className = "hidden";
		}
	}