var preloadFlag = false;

function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true))
		for (var i=0; i<changeImages.arguments.length; i+=2)
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
}

function preloadImages() {
  if (document.images) {
    MainPage_over = newImage("images/MainPage-over.gif");
    MainPage_down = newImage("images/MainPage-down.gif");
    Suppliers_over = newImage("images/Suppliers-over.gif");
    Suppliers_down = newImage("images/Suppliers-down.gif");
    CompanyProfile_over = newImage("images/CompanyProfile-over.gif");
    CompanyProfile_down = newImage("images/CompanyProfile-down.gif");
    ContactUs_over = newImage("images/ContactUs-over.gif");
    ContactUs_down = newImage("images/ContactUs-down.gif");
	IndustryNews_over = newImage("images/IndustryNews-over.gif");
    IndustryNews_down = newImage("images/IndustryNews-down.gif");
    Events_over = newImage("images/Events-over.gif");
    Events_down = newImage("images/Events-down.gif");
    preloadFlag = true;
  }
}

//Parses the URL and determines whether to Open page in a new window or Not
function sendPage(URL) {
	URL = URL.toString();
	if ((URL.indexOf("http") >=0) && (URL.indexOf("smi") == -1))
		window.open("external.asp?url=" + URL);		//Opens URL in a new window
	else
		window.location = URL;						//Use the Current window for the new URL
}