function ventana(imageURL,imageTitle,size){
	sizes = size.split('x');
	mody = false;modx=false;
	if (sizes[0] > screen.width-150) {
	 sizes[0] = screen.width-150;
	 modx = true;
	}
	if (sizes[1] > screen.height-150) {
	 sizes[1] = screen.height-150;
	 mody = true;
	}

	if(modx) {sizes[1]=parseInt(sizes[1])+16;}
	if(mody) {sizes[0]=parseInt(sizes[0])+16;}

	pos_left = (screen.width - sizes[0])/2;
	pos_top = (screen.height- sizes[1])/2;
	day = new Date();
	id = day.getTime();

	day = new Date();
	id = day.getTime();

	eval ("imgpop = window.open('about:blank',id,'toolbar=0,scrollbars=1,location=0,statusbar=0,menubar=0,resizable=1,width='+sizes[0]+',height='+sizes[1]+',left='+pos_left+',top='+pos_top+'');");

	with (imgpop.document){
		writeln('<html><head><title>Loading...</title><style>body{margin:0px;}</style>');writeln('<sc'+'ript>');
		writeln('function doTitle(){document.title="'+imageTitle+'";}');writeln('</sc'+'ript>');
		writeln('</head><body bgcolor=000000 scroll="yes" onload="doTitle();self.focus()" onblur="self.close()">');
		writeln('<img name="'+imageTitle+'" src='+imageURL+' style="display:block"></body></html>');
		close();
	}
}
