var xmlHttp

function doRandom() {

	xmlHttp=GetXmlHttpObject()
	if (xmlHttp==null) {
		alert ("Browser does not support HTTP Request")
		return
	} 	
	var url="gallery/includes/gethint.php"
	url=url+"?random=1"
	url=url+"&sid="+Math.random()
	xmlHttp.onreadystatechange=stateChanged 
	xmlHttp.open("GET",url,true)
	xmlHttp.send(null)
}

function showHint(cat,id) {
/*	if (str.length==0) { 
		document.getElementById("txtHint").innerHTML=""
		return
	}*/
	xmlHttp=GetXmlHttpObject()
	if (xmlHttp==null) {
		alert ("Browser does not support HTTP Request")
		return
	} 	
	var url="gallery/includes/gethint.php"
	url=url+"?cat="+cat
	url=url+"&id="+id
	url=url+"&sid="+Math.random()
	xmlHttp.onreadystatechange=stateChanged 
	xmlHttp.open("GET",url,true)
	xmlHttp.send(null)
}

function stateChanged()  { 
	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete") { 
		document.getElementById("gallery").innerHTML=xmlHttp.responseText 
	} 
} 

function GetXmlHttpObject() { 
	var objXMLHttp=null
	if (window.XMLHttpRequest) {
		objXMLHttp=new XMLHttpRequest()
	}
	else if (window.ActiveXObject) {
		objXMLHttp=new ActiveXObject("Microsoft.XMLHTTP")
	}
	return objXMLHttp
} 

function setDisplay(theDiv, action, theDiv2, action2)
{
	var object = document.getElementById(theDiv);
	object.style.display = action;
	var object2 = document.getElementById(theDiv2);
	object2.style.display = action2;	
}