function loadcontent(url,layer) 
{
	try {
		if(window.XMLHttpRequest) {
			xmlhttp = new XMLHttpRequest(); 
		}
		else if(window.ActiveXObject) {  
			xmlhttp = new ActiveXObject("Microsoft.XMLHTTP"); 
		} 
	} catch(x) {
		return false;
	}	
	xmlhttp.open("GET",url,true); 
	xmlhttp.onreadystatechange=function() {
		if (xmlhttp.readyState == 4) {
			document.getElementById(layer).innerHTML=xmlhttp.responseText; 
		}
	}
	xmlhttp.send(null);
}