function Redirect(url){
	document.location.href = url;
}

function replace(name,img){
	document.images[name].src=img;
}

function preload(){
	if (document.images) {
			for (var i=0;i<arguments.length;i++) {
				this[i+1]=new Image();
				this[i+1].src=arguments[i];
			}
	}
}

function popup(url){
	fen = window.open(url,"information","width=450,height=520,left=0,top=0,scrollbars=yes");
	fen.focus();
}

function popup2(url){
	trim = window.open(url,"trimestre","width=450,height=520,left=0,top=0,scrollbars=yes");
	trim.focus();
}