function launch( url )
{
  w = open( url, "DLPopup", "height=450,width=600,top=50,left=50,channelmode=0,dependent=0,directories=0,fullscreen=0,location=0,menubar=1,resizable=1,scrollbars=1,status=0,toolbar=0", false);
  w.focus();
}

function launchWide( url )
{
	w = open( url, "DLPopup", "height=450,width=700,top=50,left=50,channelmode=0,dependent=0,directories=0,fullscreen=0,location=0,menubar=1,resizable=1,scrollbars=1,status=0,toolbar=0", false);
	w.focus();
}

function pop(u){ 
	var nW = window.open("", "NWIN", "resizable=no,scrollbars=no,left=100,top=100,width=550,height=450");
	nW.location.href = u;
	nW = null;
	return false;
}

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

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

var preloadFlag = false;
var preloads = new Array();
function preloadImages() {
	if (document.getElementById) {
		for (var i = 0; i < preloads.length; i++) {
			newImage(preloads[i]);
		}
		preloadFlag = true;
	}
}