function createNewWindow(URL, ancho, alto){
	ejeX = (screen.width - ancho)/2+300;
	ejeY = (screen.height - alto)/2+300;	
	
	
	config = "toolbar=0,scrollbar=no,location=0,statusbar=0,menubar=0,rersizable=0,width=" + ancho + ",height=" + alto + ",left=" + ejeX + ",top=" + ejeY;
	window.open(URL,"UFPS",config);
	
}


window.onload = function(){
	
createNewWindow("http://www.ufps.edu.co/ufpsnuevo/popup/index.php",308,350);
	
	<!--createNewWindow("http://www.ufps.edu.co/ufpsnuevo/popup/comunicado.php",800,1000);-->
}