function WM_preloadImages() {
	if (document.images) {
		if (typeof(document.WM) == 'undefined'){
			document.WM = new Object();
		}
		document.WM.loadedImages = new Array();
		var argLength = WM_preloadImages.arguments.length;
		for(arg=0;arg<argLength;arg++) {
			document.WM.loadedImages[arg] = new Image();
			document.WM.loadedImages[arg].src = WM_preloadImages.arguments[arg];
		}
	}
}
function WM_imageSwap(daImage, daSrc){
	var objStr,obj;
	if(document.images){
		if (typeof daImage == 'string') {
			objStr = 'document.' + daImage;
			obj = eval(objStr);
			obj.src = daSrc;
		} else if ((typeof daImage == 'object') && daImage && daImage.src) {
			daImage.src = daSrc;
		}
	}
}
function call_help() {
	var url='../help/index.html';
	var winX='Help';
	var w=w?w:520;
	var h=h?h:400;
	LeftPosition = (screen.width) ? (screen.width-w)/2 : 0;
	TopPosition = (screen.height) ? (screen.height-h)/2 : 0;
	win = window.open(url,winX,'toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=1,resizable=1,width='+w+',height='+h+',top='+TopPosition+',left='+LeftPosition);
	if(win.window.focus){win.window.focus();}
}
function open_window(url,winX,w,h) {
	var winX=winX?winX:'Window';
	var w=w?w:600;
	var h=h?h:300;
	LeftPosition = (screen.width) ? (screen.width-w)/2 : 0;
	TopPosition = (screen.height) ? (screen.height-h)/2 : 0;
	win = window.open(url,winX,'toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=0,width='+w+',height='+h+',top='+TopPosition+',left='+LeftPosition);
	if(win.window.focus){win.window.focus();}
}