var xmlHttpFile;

function getImage(catID,id,rank,num) { 
	xmlHttpFile=GetXmlHttpObject();
	if (xmlHttpFile==null) {
		alert ("Browser does not support HTTP Request")
		return;
	} 
	var url="00_getImage.php";
	url=url+"?catID="+catID;
	url=url+"&id="+id;
	url=url+"&rank="+rank;
	url=url+"&num="+num;
	
	xmlHttpFile.onreadystatechange=getImageF;
	xmlHttpFile.open("GET",url,true);
	xmlHttpFile.send(null);
}

function getImageF() { 
	if (xmlHttpFile.readyState==4 || xmlHttpFile.readyState=="complete") {
		document.getElementById("galleryHolder").innerHTML=xmlHttpFile.responseText;
	} 
}

function GetXmlHttpObject() {
	var xmlHttp=null;
	try {
		// Firefox, Opera 8.0+, Safari
		xmlHttp=new XMLHttpRequest();
	} catch (e) {
		//Internet Explorer
		try {
			xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
		} catch (e) {
			xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
		}
	}
	return xmlHttp;
}