var sTargetID;
function fAJAXRequest(value)
{
if(value)
sTargetID="idchuyenmuc";
var sURL="/sanpham_ajax.aspx";
var e = document.getElementById(sTargetID );
if(e)
{	new oAJAXRequest(e,sURL,value);
}	for (var i=0; i<100;i++)
{
if(document.getElementById("span_"+ i))
{
document.getElementById("span_"+ i).className='';
}
}	document.getElementById("span_"+ value).className='tabselected' ;
}
function ClearRequest()
{
document.getElementById(sTargetID).innerHTML="";
}
function fAJAXStateChange( hAJAXRequest )
{
if( hAJAXRequest && hAJAXRequest.mRequest && hAJAXRequest.mRequest.readyState == 4 )
{
var s = hAJAXRequest.mRequest.responseText;	hAJAXRequest.mhTarget.innerHTML = s;	}
}
function oAJAXRequest(hTarget,sURL,value)
{
var me = this;
this.mRequest	= null;
this.mhTarget	= hTarget;
sURL=sURL+"?sid="+value;
if( window.XMLHttpRequest )	{
this.mRequest = new XMLHttpRequest();
}
else
if( window.ActiveXObject )	{
this.mRequest = new ActiveXObject("Microsoft.XMLHTTP");
}	if( this.mRequest )
{
this.mRequest.open( 'GET', sURL , true );
this.mRequest.onreadystatechange = function(){ fAJAXStateChange(me); };
this.mRequest.send( null );
}
}