// pop-up functions

function projPop(page,windowname)
{
newWind=window.open(page,windowname,"toolbar=no,status=no,directories=no,location=no,scrollbars=yes,menubar=no,resizable=no,width=540,height=610");
newWind.focus();    
}


// rollover functions

function navBar_item (img_name, loc, width, height) {
	img_str = "i/" + loc + img_name;

	this.img_name_off = new Image (width, height);
	this.img_name_off.src = img_str + "_off.gif";
	this.img_name_on = new Image (width, height);
	this.img_name_on.src = img_str + "_on.gif";
}

function new_navBar_item (img_name, loc, width, height) {
	navBar_item [img_name] = new navBar_item (img_name, loc, width, height);
}

function tn_over (img_name) {
	document.images[img_name].src = navBar_item[img_name].img_name_on.src;
}

function tn_out (img_name) {
	document.images[img_name].src = navBar_item [img_name].img_name_off.src;
}

if (brwCheck.supported) {
	new_navBar_item ("home", "tn/", 199, 26);
	new_navBar_item ("about", "tn/", 199, 26);
	new_navBar_item ("prog", "tn/", 199, 26);
	new_navBar_item ("inst", "tn/", 199, 26);
	new_navBar_item ("news", "tn/", 199, 26);
	new_navBar_item ("student", "tn/", 199, 26);
	new_navBar_item ("contact", "tn/", 199, 26);
	new_navBar_item ("1c", "tn/", 86, 29);
	new_navBar_item ("2c", "tn/", 79, 29);
	new_navBar_item ("3c", "tn/", 67, 29);
	new_navBar_item ("4c", "tn/", 75, 29);
	new_navBar_item ("5c", "tn/", 116, 29);
	new_navBar_item ("6c", "tn/", 63, 29);
	new_navBar_item ("7c", "tn/", 54, 29);
}