function doOpenWindow(url,win,height,width,scro){  // Default Open PopUp Window
	var atts = "height="+height+",width="+width+",menubar=0,resizable=0,scrollbars="+scro+",status=0,titlebar=0,toolbar=0";
	var myWin = window.open(url,win,atts);
}

var ns4 = (document.layers);
var ie4 = (document.all && !document.getElementById);
var ie5 = (document.all && document.getElementById);
var ns6 = (!document.all && document.getElementById);
var preloadFlag = false;

function Void() {
}
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(aimg, aimgfile) {
	if (document.images) {
		header_iwgc_over = newImage("images/header_iwgc-over.gif");
		wine_trail_over = newImage("images/wine_trail-over.gif");
		if(aimg != undefined && aimgfile != undefined){
			for( var i = 0; i < aimg.length; i++){
				this[aimg] = newImage(aimgfile);
			}
		}
		preloadFlag = true;
	}
}
function checkFields(f, i, t) {
	missingdata = "";
	for(var n = 0; n < i.length; n++){
		if (f[i[n]].value == "") {
			missingdata += "\n     -  "+t[n];
		}
	}
	if (missingdata != "") {
		missingdata ="_____________________________\n"+"You need to fill in the following:\n"+missingdata+"\n_____________________________";
		alert(missingdata);
		return false;
	} else {
		return true;
	}
}
// load images
var loadonload;
var canwait = (ie5 && navigator.appVersion.indexOf("Win") != -1) ? true : false;
function doShowImages() {
	if(canwait){
		loadonload = window.setInterval("showImages();", 10);
	}
}
function showImages() {
	if (window.document.onload.PercentLoaded() == 100) {
		window.document.onload.SetVariable("loaded", 2);
		window.clearInterval(loadonload);
	}
}