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];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		duniaalirak_04_over = newImage("images/duniaalirak_04-over.gif");
		duniaalirak_05_over = newImage("images/duniaalirak_05-over.gif");
		duniaalirak_06_over = newImage("images/duniaalirak_06-over.gif");
		duniaalirak_07_over = newImage("images/duniaalirak_07-over.gif");
		preloadFlag = true;
	}
}

function OpenPDF(file) { window.open(file,'_blank','width=700,height=500,top=0,left=0,toolbar=0,location=0,directories=0,menuBar=0,scrollbars=1,resizable=1') }