function Popit(url) {
	properties = "print=0, toolbar=0,location=0,scrollbars=1,height=300";
	properties = properties + ",width=320";
	popupHandle = open(url, 'tipwindow', properties);
}
function displayPopup(url, height, width) {
	properties = "print=0, toolbar=0,location=0,scrollbars=1,height=" + height;
	properties = properties + ",width=" + width;
	properties = properties + ",left=0,top=0";
	popupHandle = open(url, "tipwindow", properties);
}