function openwindow(url,width,height)
{
	window.open(url, "", "width=" + width + "px, height=" + height + "px, resizable, scrollbars=yes");
}

function roll(img_name, img_src)
{
	document[img_name].src = img_src;
}

function projectswap(imgname) {
	document.images["project-img"].src = "images/projects/" +imgname;
}

function profileswap(imgname) {
	document.images["profile-img"].src = "images/profile/" + imgname;
}