function request(type,url,vars) {	var http = false;	try{		/* Create the object using builtin method */		http = new XMLHttpRequest();	}	catch(ex) {		try{			/* Create the object using MSIE's method */			http = new ActiveXObject("Microsoft.XMLHTTP");		}		catch(ex){			// XMLHttpRequest not supported			http = null;		}	}	/*if (!xmlhttp && typeof XMLHttpRequest!='undefined') {		xmlhttp = new XMLHttpRequest();	}*/	switch (type){		case 'loadSection':			http.open("GET",'interior.html',true);			http.onreadystatechange=function() {				if (http.readyState==4) {					if (http.status==200){						path='images/interior/';						//set image source						document.getElementById('section').src=path+'interior_'+vars+'.gif';					}				}			}			break	}	http.send(null)}