var popWin = null
var winCount = 0
var winName = "popWin"

function openNews(url) {
var win = window.open(url,'news','scrollbars=1,resizable=1,width=500,height=600,top=0,left=0');
win.focus();
}

function openPopWin(winURL, winWidth, winHeight, winFeatures){
	winName = "popWin" + winCount++
	closePopWin()
	if (openPopWin.arguments.length == 4)
		winFeatures = "," + winFeatures
	else
		winFeatures = ""
		popWin = window.open(winURL, winName, "width=" + winWidth + ",height=" + winHeight + winFeatures)
	}

function closePopWin(){
	if (navigator.appName != "Microsoft Internet Explorer"
		|| parseInt(navigator.appVersion) >=4)
	if(popWin != null) if(!popWin.closed) popWin.close()
	}


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

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

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		home_03_over = newImage("/images/home_03-over.gif");
		home_04_over = newImage("/images/home_04-over.gif");
		home_05_over = newImage("/images/home_05-over.gif");
		home_06_over = newImage("/images/home_06-over.gif");
		preloadFlag = true;
	}
}