function ajax_helper(url, type, object){
	var xmlHttp;
	try
		{
			// Firefox, Opera 8.0+, Safari
			xmlHttp=new XMLHttpRequest();
		}
	catch (e)
		{
		// Internet Explorer
		try
			{
				xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
			}
		catch (e)
			{
			try
				{
					xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
				}
			catch (e)
				{
					alert("Your browser does not support AJAX!");
					return false;
				}
			}
		}
	xmlHttp.open(type,url,true);
	xmlHttp.send(null);
	
	xmlHttp.onreadystatechange=function()
	{
		if(xmlHttp.readyState==4)
		{
			document.getElementById(object).innerHTML=xmlHttp.responseText;
		}
	}
}
function clearContent(object){
	document.getElementById(object).innerHTML= "";
}