var preloadFlag = false;

//function preloadImages() {
//if (document.images) {


img1_01 = new Image();
img1_01.src = "images/nav-home-01.gif";

img2_01 = new Image();
img2_01.src = "images/nav-event-01.gif";

img3_01 = new Image();
img3_01.src = "images/nav-sponsorship-01.gif";

img4_01 = new Image();
img4_01.src = "images/nav-exhibitor-01.gif";

img5_01 = new Image();
img5_01.src = "images/nav-attendee-01.gif";

preloadFlag = true;

//	}
//}

function changeImages(whichImage, whichFile) {
	if(preloadFlag) {
	if (document.images) {
		whichImage.src = "images/" + whichFile + ".gif";
	}
}}



function changeImages(whichImage, whichFile, whichDiv) {
	if(preloadFlag) {
	if (document.images) {
		if( document[whichDiv] )
			document[whichDiv].document[whichImage].src = "images/" + whichFile + ".gif";
		else
			document[whichImage].src = "images/" + whichFile + ".gif";
	}
}}

function changeJpeg(whichImage, whichFile, whichDiv) {
	if(preloadFlag) {
	if (document.images) {
		if( document[whichDiv] )
			document[whichDiv].document[whichImage].src = "images/" + whichFile + ".jpg";
		else
			document[whichImage].src = "images/" + whichFile + ".jpg";
	}
}}


function des(url, width, height)
{
   window.open(url, 'test', 'toolbar=0,scrollbars=1,location=0,statusbar=1,menubar=0,resizable=1,width=' + width + ',height=' + height + ',left=20,top=20');
}


function popUp(URL) {
day = new Date();
id = day.getTime();
eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=1,scrollbars=0,location=0,statusbar=1,menubar=1,resizable=0,width=800,height=400,left = 112,top = 84');");
}


function popUp(url, width, height)
{
   window.open(url, '', 'width=' + width + ',height=' + height + ',left=50,top=50,screenX=50,screenY=50, resizable=0, scrollbars=0, toolbar=0, menubar=0');
}