/// Pdf chechecker         
function PDFCheck(imgID, url) {
	var req= new PDFExist();  //request object
	//var imgID = 'pdfImageID0EAAA';//image id that gets switched if the pdf doesnt exist
	try {
	
	
		req.open("HEAD" , url, false);
		req.send(null);		
		
		return req.status== 200 ? PDFLoadImage(imgID, 'true') : PDFLoadImage(imgID, 'false');
		//Test the readystate to see if the pdf exist. 
	}
	catch (er) {
			//PDFLoadImage('false');		
			//pdf does not exist
	}
	
}



   //Load pdf image seperated from pdfcheck to see if repeat might stop
	function PDFLoadImage(imgID, myVal) 
	{
     	if (myVal == 'true')//pdf exist
     	{
	 		document.getElementById(imgID).style.display = "yes"
     	}
     
     	else //PDF does not exist
     	{
	 		document.getElementById(imgID).style.display = "none"
     	}
     }
        
        
	function PDFExist() {
	var obj;
	if (window.XMLHttpRequest) obj= new XMLHttpRequest(); 
	else if (window.ActiveXObject){
		try{
			obj= new ActiveXObject('MSXML2.XMLHTTP.3.0');
		}
		catch(er){
			try{
				obj= new ActiveXObject('Microsoft.XMLHTTP');
			}
			catch(er){
				obj= false;
			}
		}
	}
	return obj;
}