function ventanaSecundaria (URL){ 
   window.open(URL,"ventana1","width=420,height=400,scrollbars=YES") 
} 

function sendtoafriend(idcurso){
day = new Date();
id = day.getTime();
eval("page" + id + " = window.open('enviaraunamigo.php?idcurso=' + idcurso, '" + id + "', 'toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=0,width=500,height=150,left = 390,top = 412');");
}



function sendtoafriend2(idcurso){
day = new Date();
id = day.getTime();
eval("page" + id + " = window.open('../enviaraunamigo.php?idcurso=' + idcurso, '" + id + "', 'toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=0,width=500,height=150,left = 390,top = 412');");
}


function iracursodecombo(idform){

var turl = document.getElementById(idform);
var url= turl.value;
parent.location.href =url;
}







function alerta(posicion,capa){


var obj=document.getElementById(posicion);	

setLyr(obj,capa);
	
if (document.getElementById(capa).style.display == 'none'){
document.getElementById(capa).style.display = 'block';
}else{
document.getElementById(capa).style.display = 'none';
}
}


function findPos(obj){
	var curleft = curtop = 0;
	if (obj.offsetParent) {
		curleft = obj.offsetLeft
		curtop = obj.offsetTop
		while (obj = obj.offsetParent) {
			curleft += obj.offsetLeft
			curtop += obj.offsetTop
		}
	}
	return [curleft,curtop];}

function setLyr(obj,lyr){
var coors = findPos(obj);
	if (lyr == 'testP') coors[1] -= 50;
	var x = document.getElementById(lyr);
	
	var topcor=coors[1] + 1;
	var leftcor=coors[0] + 1;
	
	x.style.top = topcor + 'px';
	x.style.left = leftcor + 'px';
}


function gotourl(url){
window.location=url;
}