function updatePriceTable()
{ 
xmlHttp=GetXmlHttpObject()
if (xmlHttp==null)
{
alert ("Browser does not support HTTP Request")
return
} 
    var s = document.getElementById("simbol").value;
	var p = document.getElementById("TimeRange").value;
	var url = "drawpricetable.php?";
	url=url + "s=" + escape(s) + "&p=" + escape(p);
	url=url+"&sid="+Math.random()
	xmlHttp.onreadystatechange=stateChanged 
	xmlHttp.open("GET",url,true)
	xmlHttp.send(null)
}

function stateChanged() 
{ 
if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
{ 
document.getElementById("PriceTable").innerHTML=xmlHttp.responseText ;
//document.getElementById("hideshow").style.visibility = "hidden";

} 
}