<!--
// generic functions for use across main site

// preload images used for 'rollovers' etc
preLoadImages( "/images/menu_button.gif", "/images/menu_button_on.gif", "/images/bullet.gif" );
function preLoadImages() {
	if (!document.images) { return; }
	var imgCache = new Array();
	for (i=0; i<arguments.length; i++) {
		imgCache[i] = new Image;
		imgCache[i].src = arguments[i];
	}
}

// process site search form
function process_frm_sitesearch(frm) {
	var searchtxt = frm.searchtxt.value;
	return (searchtxt.replace(/^\s+|\s+$/g,"") == "") ? false : true;
}

function get_minicourse() {
	var url   = "/File/minicourse.php";
	var name  = "minicourse_"+new Date().getTime()
	var props = "width=320,height=320,top=100,left=200";
	window.open(url, name, props);
	return void(0);
}
//-->