function getAbsoluteElementPosition(element) {
  if (typeof element == "string")
    element = document.getElementById(element)
    
  if (!element) return { top:0,left:0 };
  
  var y = 0;
  var x = 0;
  while (element.offsetParent) {
    x += element.offsetLeft;
    y += element.offsetTop;
    element = element.offsetParent;
  }
  return {top:y,left:x};
}


function enseniar()
{
	document.getElementById("resumen").style.display = "block";
  	var elemento = document.getElementById("otrosEnlaces");
  	var pos = getAbsoluteElementPosition(elemento);
	pos.top = pos.top - 150;
	pos.left = pos.left - 100;
	document.getElementById("resumen").style.top = pos.top+"px";
	document.getElementById("resumen").style.left = pos.left+"px";
}

function esconde()
{
	document.getElementById("resumen").style.display = "none";
}

function mostrar(id)
{
	if (document.getElementById('td_sub_' + id)!= 'null'){
		if (document.getElementById('td_sub_' + id).style.display != ''){
			document.getElementById('td_sub_' + id).style.display ='';
			document.getElementById('vinculo' + id).className ="link1_over";
		}
		else {
			document.getElementById('td_sub_' + id).style.display='none';
			document.getElementById('vinculo' + id).className ="link1";
		}
	}
}

function mostrarocultar()
{
 	   if (document.getElementById("subterminos").style.display != 'none'){
			document.getElementById("subterminos").style.display ='none';
		}
		else {
			document.getElementById("subterminos").style.display='block';
		}
}

 window.onload  = f_init;
   window.onresize  = f_init;
   
    var nPos = 0;
    function f_init() {
        Tamanyo = [ 
        document.documentElement.clientWidth, 
        document.documentElement.clientHeight ]; 
        //alert('La ventana mide: [' + Tamanyo[0] + ', ' + Tamanyo[1] + ']'); 
        document.body.style.backgroundPosition = ((Tamanyo[0]-1000)/2)+"px"+" 0px";
        //alert(((Tamanyo[0]/2)-(1024/2))+"px"+" 0px");
        //document.body.style.backgroundPosition = parseInt((Tamanyo[0]/2)-(1024/2))+"px"+" 0px";
        return;
        //menu
        var oMainPanel   = document.getElementById("mainMenu1");
        if(oMainPanel){
	    	oMainPanel.style.left = (Tamanyo[0]-1024)/2 +"px";
		}
		
		var oMainPanel   = document.getElementById("mainPanel");
		if(mainPanel){
	    	mainPanel.style.left = (Tamanyo[0]-1024)/2 +"px";
		}
		
		
    }