//image cache
videobut = new Image();
videobut.src = basedir + "images/0521_btn_video.gif"
videobut2 = new Image();
videobut2.src = basedir + "images/0521_btn_video.gif"
videobut3 = new Image();
videobut3.src = basedir + "images/0521_btn_video.gif"
beginbut = new Image();
beginbut.src = basedir + "images/0521_btn_begin.gif"
//slidesbut = new Image();
//slidesbut.src = basedir + "images/main/ghss_btn_view_slides.gif"
//closebut = new Image();
//closebut.src = basedir + "images/main/ghss_popup_btn_close.gif"

videobut_o = new Image();
videobut_o.src = basedir + "images/0521_btn_video_over.gif"
videobut2_o = new Image();
videobut2_o.src = basedir + "images/0521_btn_video_over.gif"
videobut3_o = new Image();
videobut3_o.src = basedir + "images/0521_btn_video_over.gif"
beginbut_o = new Image();
beginbut_o.src = basedir + "images/0521_btn_begin_over.gif"
//slidesbut_o = new Image();
//slidesbut_o.src = basedir + "images/main/ghss_btn_view_slides_over.gif"
//closebut_o = new Image();
//closebut_o.src = basedir + "images/main/ghss_popup_btn_close_over.gif"
//end image cache

function imgRoll(name,o) {
	document.images[name].src = eval(name+o+".src");
	// onmouseover="imgRoll('blah','_o')"
	// onmouseout="imgRoll('blah','')"
	}

function setCookie(name,value,days,path) {
if (!path) path = "/";
if (days)
	{
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
else var expires = "";
document.cookie = name+"="+value+expires+"; path="+path;	
}

function getCookie(name) {
var nameEQ = name + "=";
var ca = document.cookie.split(';');
for(var i=0;i < ca.length;i++)
	{
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
return null;
}

function eraseCookie(name) {
setCookie(name,"",-1);
}

function validateForm() {

}

function quizComplete() {
/*

*/
}

function checkEntry() {

}


function openWin(url,winname,w,h) {
	topWin = (screen.availHeight - h) / 2;
        leftWin = (screen.availWidth - w) / 2;
                if (navigator.platform.indexOf('mac') != -1){
                props = "menubar=yes,width="+w+",height="+h+",top="+topWin+",screenY="+topWin+",left="+leftWin+",screenX="+leftWin+",resizable=yes,scrollbars=yes"; }
                else {
                props = "width="+w+",height="+h+",top="+topWin+",screenY="+topWin+",left="+leftWin+",screenX="+leftWin+",resizable=yes,scrollbars=yes"; }
        var myWin = window.open(url,winname,props);
        myWin.focus();
}

function printit() {
	if (window.print) window.print();
	else alert('This script does not work in your browser.');
}