// JavaScript Document

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) {
		arrLeft_over = newImage("images/arrLeft-over.gif");
		arrRight_over = newImage("images/arrRight-over.gif");
		preloadFlag = true;
	}
}

function doPopUp(url, name, optionString) {
	if (!name){
		name = "newwnd";
	}
	if (!optionString){
		optionString = "toolbar=no,location=no,directories=no,scrollbars=yes,resizable=yes,height=700,width=930,screenX=4,screenY=4,top=4,left=4";
	}		
	win = window.open(url, name, optionString);
	win.focus();
}