function getcanvasser(str)
{ 
	var url="ajaxserver.php"
	url=url+"?t=1&q="+str
	url=url+"&sid="+Math.random()

	doAjaxRequest(url)
}

function getdonor(str)
{ 
	var url="ajaxserver.php"
	url=url+"?t=2&q="+str
	url=url+"&sid="+Math.random()

	doAjaxRequest(url)
}

function doAjaxRequest(url) {
	xmlHttp=GetXmlHttpObject()
	if (xmlHttp==null)
 	{
 		alert ("Browser does not support HTTP Request")
 		return
 	}
 		
	xmlHttp.onreadystatechange=stateChanged 
	xmlHttp.open("GET",url,true)
	xmlHttp.send(null)
}

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

function findPos(obj) {
	var curleft = curtop = 0;
	if (obj.offsetParent) {
		curleft = obj.offsetLeft
		curtop = obj.offsetTop
		while (obj = obj.offsetParent) {
			curleft += obj.offsetLeft
			curtop += obj.offsetTop
		}
	}
	return [curleft,curtop];
}

function setLyr(obj,lyr)
{
	var coors = findPos(obj);
	if (lyr == 'testP') coors[1] -= 50;
	var x = document.getElementById(lyr);
	x.style.top = coors[1] + 'px';
	x.style.left = coors[0] + 'px';
}