function openExternalsite(link, width, height)
{
	if ((width == "") || (width == "undefined") || (height == undefined))
		width = 800;
	if ((height == "") || (height == "undefined") || (height == undefined))
		height = 600;
	window.open(link,"ExternalSite","scrollbars=1,width="+width+", height="+height);
}