var xmlHttp

function SwapImg(sid,tp)
{
	xmlHttp=GetXmlHttpObject()
	if (xmlHttp==null){
		alert ("Browser does not support HTTP Request")
		return
	} 
	var url
		if(tp=='bizpic'){
			url='gswapimg.php?id='+sid+'&tp='+tp
		}
		xmlHttp.onreadystatechange=function() { stateChanged(sid,tp) }
		xmlHttp.open("GET",url,true)
		xmlHttp.send(null)
} 

function stateChanged(sid,tp) 
{ 
if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
{ 
	document.getElementById("SwapI").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
}