userAgent = window.navigator.userAgent;
browserVers = parseInt(userAgent.charAt(userAgent.indexOf("/")+1),10);
function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function findElement(n,ly) {
	if (browserVers < 4)		return document[n];
	var curDoc = ly ? ly.document : document;
	var elem = curDoc[n];
	if (!elem) {
		for (var i=0;i<curDoc.layers.length;i++) {
			elem = findElement(n,curDoc.layers[i]);
			if (elem) return elem;
		}
	}
	return elem;
}

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

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		aboutus_over = newImage("images/aboutus-over.gif");
		products_over = newImage("images/products-over.gif");
		skills_over = newImage("images/skills-over.gif");
		online_over = newImage("images/online-over.gif");
		contact_over = newImage("images/contact-over.gif");
		 flowchart_03_over = newImage("../images/flowchart_03_over.gif");
          flowchart_07_over = newImage("../images/flowchart_07_over.gif");
          flowchart_09_over = newImage("../images/flowchart_09_over.gif");
          flowchart_13_over = newImage("../images/flowchart_13_over.gif");
          flowchart_14_over = newImage("../images/flowchart_14_over.gif");
          flowchart_18_over = newImage("../images/flowchart_18_over.gif");
		preloadFlag = true;
	}
}

function popUp(URL) {
day = new Date();
id = day.getTime();
eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=0,scrollbars=1,location=0,statusbar=0,menubar=0,resizable=0,width=600,height=400,left = 420,top = 250');");
}

function popUp_Calc(URL) {
day = new Date();
id = day.getTime();
eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=0,scrollbars=1,location=0,statusbar=0,menubar=0,resizable=0,width=540,height=420,left = 420,top = 250');");
}