function blocking(nr){
	/*if (document.layers)	{
		document.layers[nr].display = "none";
	}	else if (document.all)	{
		document.all[nr].style.display =  "none";
	}	else if (document.getElementById)	{
		document.getElementById(nr).style.display =  "none";
	}*/
	try{
	document.getElementById(nr).style.display =  "none";
	}catch(err){}
}
function unblocking(nr){
	/*if (document.layers)	{
		document.layers[nr].display = "";
	}	else if (document.all)	{
		document.all[nr].style.display = "";
	}	else if (document.getElementById)	{
		document.getElementById(nr).style.display = "";
	}*/
	try{
	document.getElementById(nr).style.display =  "";
	}catch(err){}
}
window.onerror=handleErr;
var txt="";
function handleErr(msg,url,l){
		txt="There was an error on this page.\n\n";
		txt+="Error: " + msg + "\n";
		txt+="URL: " + url + "\n";
		txt+="Line: " + l + "\n\n";
		txt+="Click OK to continue.\n\n";
		try{
			//if (msg.indexOf("_63[i]") == "-1" && msg.indexOf("length") == "-1")  dispError(txt);
		} catch(e) {}
		return true;
}
function linkToURL () {};
function IMGcheck(url) {
	 if(!url || !document.images) return
	 var img = new Image();
	 img.onload = function () {
		//alert('Das Bild konnte geladen werden der Server ist online!');
		//		document.images[testBild].src = this.src;
     };
	 img.onerror = function () {
	      //alert('Das Bild konnte nicht geladen werden!');
		//	     document.getElementById('statistikIMG').src = this.src + '?' + Math.random();
		//		 document.getElementById('statistikIMG').style.display='none';
 	 }
	 //	    img.src = url;
}