var xmlHttp
var content=''; 


function test_it(){
alert('works');
}

function showDescription(curobj, subobjstr, opt_position, id1, id2, id3, page_url, member_id)
{
	
	xmlHttp=GetXmlHttpObject()
	if (xmlHttp==null)
		{
			alert ("Browser does not support HTTP Request")
			return
		} 
	var url=page_url
	url=url+"?id1="+id1
	url=url+"&id2="+id2
    url=url+"&id3="+id3
	url=url+"&member_id="+member_id
	url=url+"&sid="+Math.random()
	
	xmlHttp.onreadystatechange=stateChanged 
	xmlHttp.open("GET",url,true)
	xmlHttp.send(null)					

}

//---------------- Overlay -----------------------------

function getposOffset(overlay, offsettype){
var totaloffset=(offsettype=="left")? overlay.offsetLeft : overlay.offsetTop;
var parentEl=overlay.offsetParent;
while (parentEl!=null){
totaloffset=(offsettype=="left")? totaloffset+parentEl.offsetLeft : totaloffset+parentEl.offsetTop;
parentEl=parentEl.offsetParent;
}
return totaloffset;
}

function overlay(curobj, subobjstr, opt_position, id1, id2, id3, page_url, member_id){

content=subobjstr;

showDescription(curobj, subobjstr, opt_position, id1, id2, id3, page_url, member_id);

if (document.getElementById){
var subobj=document.getElementById(subobjstr)
subobj.style.display=(subobj.style.display!="block")? "block" : "none"
var xpos=getposOffset(curobj, "left")+((typeof opt_position!="undefined" && opt_position.indexOf("right")!=-1)? -(subobj.offsetWidth-curobj.offsetWidth) : 0) 
subobj.style.left=xpos+"px"
if (opt_position=='center'){
}else{
var ypos=getposOffset(curobj, "top")+((typeof opt_position!="undefined" && opt_position.indexOf("bottom")!=-1)? curobj.offsetHeight : 0)
subobj.style.top=ypos+"px"
}
return false
}
else
return true
}


function overlayclose(subobj){
document.getElementById(subobj).style.display="none"
}

//-------------------------------------------------------- 

function stateChanged()

{ 
var subobjstr=content;

if (xmlHttp.readyState==1) {
		    document.getElementById(subobjstr).innerHTML ="Loading page..." ;  	
	}
	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete" || xmlHttp.readyState==2 )
		{ 
		
		document.getElementById(subobjstr).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
}