function creat_Object()
{ 
	var xmlhttp;
	if (!xmlhttp && typeof XMLHttpRequest != 'undefined') 
	{
		try 
		{
			xmlhttp = new XMLHttpRequest();
		} 
		catch (e) 
		{
			alert("S navegador no tiene soporte para XMLHTTPRequest");
			xmlhttp = false;
		}
	}
	else
		xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");

	return xmlhttp;
}
var request = creat_Object();
function sever_interaction()
{
	if(request.readyState == 1)
		document.getElementById('chart').innerHTML = 'Cargando...';

	if(request.readyState == 4)
		document.getElementById('chart').innerHTML = request.responseText;
}
function call_server(symbol,symbol2){
	symbol = symbol==''?'CLPUSD':symbol;
	request.open("GET", "charts_analisis/chartget_home.asp?symbol="+symbol);
	request.onreadystatechange = sever_interaction;
	request.send('');
}