function callPage(app,path,page,qs){
	var xmlHttp;
	var rootpath;
	
	if (host.toLowerCase().indexOf('10.45.1.59')!=-1 || host.toLowerCase().indexOf('10.45.1.233')!=-1)
		rootpath = "http://" + host + "/" + app + "/" + path + "/";
	else
		rootpath = "http://" + host + "/" + path + "/";
	var url=rootpath + page;
	if (qs.length>0) url+=qs;
	//alert(url);
	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("We cannot retrieve the employee list with your current browser version.");
				return false;
			}
		}
	}
	xmlHttp.onreadystatechange=function() {
		if(xmlHttp.readyState==4 || xmlHttp.readyState=="complete") {
			//alert(xmlHttp.responseText);
			if (xmlHttp.responseText=='true') cp("true")
				else cp("false");
		}
	}
	xmlHttp.open("GET",url,true);
	xmlHttp.send(null);
}