function LoadPopup()
 {
     

	if (IsSiteVisited()=="yes" ||  IsPopupDisplayedPerSession()=="yes")
        {
	        return;
	}
	if(IsUnderstandingTeensHome()==true)
    	{ //Do not display overlay on UnderstagindTeens landing page.
        		return;    
	}
    //  window.open("/Parent/windows/daspopup.aspx","","width=520,height=540");
  
 	 DisplayWaitWindow(); 
	 RegisterIsPopupDisplayedPerSession('yes'); 

}

function IsUnderstandingTeensHome()
 {    url=window.location.href.toLowerCase() ;
        if ( (url.indexOf("/understandingteens")>0 ||
          url.indexOf("/understandingteens/default.aspx/")>0 ) && 
          url.indexOf("/understandingteens/articles/")<0 )          
	{          return true;}
        else        {  return false;}
 }

function IsSiteVisited()
{
    var nameEQ = "siteVisited=";
	var ca = document.cookie.split(';');
	var value="no";
	for(var i=0;i < ca.length;i++) 
	{
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0)
		{ value=c.substring(nameEQ.length,c.length);
		    break;
		}
	}
	//alert(value);
	return value;
    
}

function IsPopupDisplayedPerSession()
{
	var nameEQ = "isPopupDisplayed=";
	var ca = document.cookie.split(';');
	var value="no";
	for(var i=0;i < ca.length;i++) 
	{
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0)
		{ value=c.substring(nameEQ.length,c.length);
		    break;
		}
	}
	
	return value;
}

function RegisterIsPopupDisplayedPerSession(value)
{
    document.cookie ='isPopupDisplayed='+ value + '; path=/';

}


function DisplayWaitWindow()
	{
		var windowX=492;
		var windowY=562;
		
		
		var newLocationY = (document.body.clientHeight-windowY)/2;
		var newLocationX = (748-windowX)/2;
		
		var myOnPageContent=document.getElementById('myOnPageContent');
		var tblOverlaySignup=document.getElementById('tblOverlaySignup');
		
		
		tblOverlaySignup.style.left = newLocationX + "px";
		tblOverlaySignup.style.top = newLocationY + "px";
		
		
		/*myOnPageContent.style.left ="0px";
		myOnPageContent.style.top = "0px";*/
		myOnPageContent.style.display = "block"; 
	
		
	}
	
	function HideWindow()
	{
		var myOnPageContent=document.getElementById('myOnPageContent');
		myOnPageContent.style.display = "none";
	}