//menu flotante
var theTop = 0
var menu, scrollIt
var old = theTop
var scrollIt = true
function init() {
	menu = new getObj('menu')
	movemenu();
}
function movemenu() {
	if (scrollIt) {
		if (window.innerHeight) {
			  pos = window.pageYOffset
		} else if (document.documentElement && document.documentElement.scrollTop) {
			pos = document.documentElement.scrollTop
		} else if (document.body) {
			  pos = document.body.scrollTop
		}
		if (pos < theTop)
			pos = theTop
		else
			pos += 0
		if (pos == old)
			menu.style.top = pos + 'px'
		old = pos
	}
	moveID = setTimeout('movemenu()',0)
}
function getObj(name) {
  if (document.getElementById) {
  	this.obj = document.getElementById(name)
	this.style = document.getElementById(name).style
  } else if (document.all) {
	this.obj = document.all[name]
	this.style = document.all[name].style
  } else if (document.layers) {
   	this.obj = document.layers[name]
   	this.style = document.layers[name]
  }
}
window.onload = init
if (document.captureEvents) {		
	document.captureEvents(Event.LOAD)
}

//precarga de imagenes
    var imagenA = new Image();
    imagenA.src = "http://icfesinteractivo.googlepages.com/preicfes_preuniversitarios_creared.gif";
    var imagen1 = new Image();
    imagen1.src = "images/spacer.gif";
    var imagen2 = new Image();
    imagen2.src = "images/bg1222.jpg";
    var imagen3 = new Image();
    imagen3.src = "images/bg1223.jpg"; 
    var imagen4 = new Image();
    imagen4.src = "images/search.jpg"; 
    var imagen5 = new Image();
    imagen5.src = "images/back_left.jpg"; 
    var imagen6 = new Image();
    imagen6.src = "images/bottom_left.jpg"; 
    var imagen7 = new Image();
    imagen7.src = "images/bg052.gif"; 
    var imagen8 = new Image();
    imagen8.src = "images/win_top_left.jpg"; 
    var imagen9 = new Image();
    imagen9.src = "images/win_1b_title.jpg"; 
    var imagen10 = new Image();
    imagen10.src = "images/win_top_rt.jpg"; 
    var imagen11 = new Image();
    imagen11.src = "images/win_left_bg.jpg"; 
    var imagen12 = new Image();
    imagen12.src = "images/win_rt_bg.jpg"; 
    var imagen13 = new Image();
    imagen13.src = "images/106_36.jpg"; 
    var imagen14 = new Image();
    imagen14.src = "images/win_1d_title.jpg"; 
    var imagen15 = new Image();
    imagen15.src = "images/win_1c_title.jpg"; 
    var imagen16 = new Image();
    imagen16.src = "images/win_1a_title.jpg"; 
    var imagen17 = new Image();
    imagen17.src = "images/top6.jpg"; 
    var imagen18 = new Image();
    imagen18.src = "images/left_bg.jpg"; 
    var imagen19 = new Image();
    imagen19.src = "images/right_bg.jpg"; 
    var imagen20 = new Image();
    imagen20.src = "images/c1.jpg"; 
    var imagen21 = new Image();
    imagen21.src = "images/bottom_bg.jpg"; 
    var imagen22 = new Image();
    imagen22.src = "images/c2.jpg";
    var imagen23 = new Image();
    imagen23.src = "images/bubble.gif"; 
    var imagen24 = new Image();
    imagen24.src = "images/bubble_filler.gif"; 


//ventanas pop ups de formularios a google
function abrir(pagina) {
	window.open(pagina,'window','scrollbars=yes,status=yes,width=600,height=400,left='+(screen.availWidth/2-300)+',top='+(screen.availHeight/2-200)+'');
}