function popup(url, width, height, scrollable) { 
	if (scrollable){
		scbars = 1;
	} else {
		scbars = 0;
	}
	
	if (url == "srlogo") { 
		width = 445; 
		height = 455; 
		url="SendToFriend.aspx?pg=" + location.href + "&id=" + width;
	}
	
	if (url == "stf") { 
		if (height==1) {
			height=80;
		}
		if (!height) {
			height=0;
		} 
		url="SendToFriend.aspx?pg=" + location.href + "&id=" + width; 
		width = 560; 
		height += 490;
	}
	
	newwin=window.open(url,"popup","toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars="+ scbars +",resizable=0,width="+width+",height="+height); 
}