ini_out = new Image(125,21)
ini_out.src = "images/coned_out_02.jpg"
ini_in = new Image(125,21)
ini_in.src = "images/coned_over_02.jpg"

coned_out = new Image(125,21)
coned_out.src = "images/coned_out_04.jpg"
coned_in = new Image(125,21)
coned_in.src = "images/coned_over_04.jpg"

vida_out = new Image(125,21)
vida_out.src = "images/coned_out_06.jpg"
vida_in = new Image(125,21)
vida_in.src = "images/coned_over_06.jpg"

material_out = new Image(125,21)
material_out.src = "images/coned_out_08.jpg"
material_in = new Image(125,21)
material_in.src = "images/coned_over_08.jpg"

matricula_out = new Image(125,21)
matricula_out.src = "images/coned_out_10.jpg"
matricula_in = new Image(125,21)
matricula_in.src = "images/coned_over_10.jpg"

contacto_out = new Image(125,21)
contacto_out.src = "images/coned_out_12.jpg"
contacto_in = new Image(125,21)
contacto_in.src = "images/coned_over_12.jpg"

mapa_out = new Image(125,21)
mapa_out.src = "images/coned_out_14.jpg"
mapa_in = new Image(125,21)
mapa_in.src = "images/coned_over_14.jpg"

//
function nuevo_evento(elem,event_name,func)
{
	if (elem.addEventListener) // mozilla
		{
		elem.addEventListener(event_name,func,true);
		return true;
		} 
	else if(elem.attachEvent) // IE
		return elem.attachEvent("on"+event_name,func);
	else 
		return false;
}

function borrar_evento(e)
{
	if(window.event) // IE
		{
		window.event.cancelBubble=true;
		window.event.returnValue=false;
		}
	else if(e && e.preventDefault && e.stopPropagation) // mozilla
		{
		e.preventDefault();
		e.stopPropagation();
		}
}


//http request for Ajax handling
function make_http_request(url,vars,handler_func)
{
	if(window.XMLHttpRequest) 
		{
		req=new XMLHttpRequest();
		if(req.overrideMimeType)
			{
			req.overrideMimeType('text/xml');
			}
		} 
	else if(window.ActiveXObject)
		{
		try
			{
			req=new ActiveXObject("Msxml2.XMLHTTP");
			}
		catch(exc)
			{
			try
				{
				req=new ActiveXObject("Microsoft.XMLHTTP");
				}
			catch(exc) {}
			}
		}
	 
	if(req)
		{
		req.onreadystatechange=handler_func;
		if(vars.charAt(0)!='?')
			vars='?'+vars;
		req.open("GET",url+vars,true);
		req.send(null);
		}
	else
		alert('BAD XMLHTTP');
}


//Get json
function get_json(str)
{
	var spos=str.indexOf('<json>');
	var epos=str.indexOf('</json>');
	return unescape(str.substring(spos+6,epos));
}