var _element;
function get(fileName,paraStr,element)
{
	xmlHttp=GetXmlHttpObject();
	var url=fileName+"?"+paraStr+"&dummy="+new Date().getTime();
	xmlHttp.onreadystatechange=stateChanged 
	xmlHttp.open("GET",url,true);
	
	_element = element;
	xmlHttp.send(null);
}

function stateChanged() 
{
	if(xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
	{ 

		if(_element!='')
		{	
			try
			{	
				document.getElementById(_element).innerHTML = xmlHttp.responseText;  
			}catch(e){}
			
		}	
		
			try 
			{
				afterAjax();
			} 		
			catch (e) {}
	} 
}

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;
}