function preloadImages() {
	var about = new Image
		about.src = "images/about_over.gif"
	var ourprocess = new Image
		ourprocess.src = "images/ourprocess_over.gif"
	var ourproducts = new Image
		ourproducts.src = "images/ourproducts_over.gif"
	var contactus = new Image
		contactus.src = "images/contactus_over.gif"
	var home = new Image
		home.src = "images/home_over.gif"
}

window.onload = preloadImages;

function changeImages(sName,sImage)
	{
	document.images[sName].src = sImage
	}

function openWindow(theURL,winName,features)
	{
	window.open(theURL,winName,features).focus();
	}

function closeWindow()
	{
	window.close();
	}
	
function goToURL(form)
{
   var linkNum = new Array();
   linkNum[0]=" ";
   linkNum[1]="general.html";
   linkNum[2]="museums.html";
   linkNum[3]="museums.html";
   linkNum[4]="schools.html";
   linkNum[5]="arenas.html";
   linkNum[6]="tradeshow.html";
   linkNum[7]="publicspaces.html";
   linkNum[8]="backdrops.html";
   location = linkNum[form.sel_URL.selectedIndex];
}