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 bigImg(src,w,h,title,msg){
	var posX=(screen.width - w)/2
	if(posX<0) posX=0;
	var posY=((screen.height - h)/2)-h/4
	if(posY<0) posY=0;
	if(title==null) title='4D Software - Screenshot'
	var win = window.open ('about:blank','','width='+w+',height='+h+',left='+posX+',top='+posY)
	win.document.open()
	win.document.write( 
		'<html><title>'+title+'</title>'+
		'<body bgColor="#FFFFFF" topMargin="0" leftMargin="0" marginWidth="0" marginHeight="0">'+
		'<img src="'+src+'" width='+w+' height='+h+'>' +
		'</body></html>')
	win.document.close()
}

