function Abrir_Ventana(el_url) {
var especificaciones="top=0, left=0, toolbar=no,location=no, status=no,menubar=no,scrollbars=no, resizable=no, width=400,height=400"
var titulo="Titulo"
window.open(el_url,titulo,especificaciones);
}
/*
function expandingWindow(website) { 
var heightspeed = 2; // vertical scrolling speed (higher = slower) 
var widthspeed = 7; // horizontal scrolling speed (higher = slower) 
var leftdist = 0; // distance to left edge of window 
var topdist = 0; // distance to top edge of window 

var winwidth = window.screen.availWidth - leftdist; 
var winheight = window.screen.availHeight - topdist; 
var sizer = window.open("","","left=" + leftdist + ",top=" + topdist + ",width=1,height=1,scrollbars=yes"); 
for (sizeheight = 1; sizeheight < winheight; sizeheight += heightspeed) { 
sizer.resizeTo("1", sizeheight); 
} 
for (sizewidth = 1; sizewidth < winwidth; sizewidth += widthspeed) { 
sizer.resizeTo(sizewidth, sizeheight); 
} 
sizer.location = website; 
} 
*/