function popUp(URL)
{
    day = new Date();
    id = day.getTime();
    settings = "toolbar=0,scrollbars=1,location=0,statusbar=0,menubar=0,resizable=1,width=400,height=500";
    win = window.open(URL, id, settings);
	if(win.focus) {
		win.focus();
	}
}

function openWindow(url, width, height)
{
    day = new Date();
    id = day.getTime();
	LeftPosition = (screen.width) ? (screen.width - width)/2 : 0;
	TopPosition  = (screen.height) ? (screen.height - height)/2 : 0;
    
	settings = 'toolbar=0,scrollbars=1,location=0,statusbar=0,menubar=0,resizable=1,width=' + width + ',height=' + height + ',top=' + TopPosition + ',left=' + LeftPosition;
	win = window.open(url, id, settings);
	
	if(win.focus){
		win.focus();
	}
}

function openNamedWindow(url, name, width, height)
{
	LeftPosition = (screen.width) ? (screen.width - width)/2 : 0;
	TopPosition  = (screen.height) ? (screen.height - height)/2 : 0;
    
	settings = 'toolbar=0,scrollbars=1,location=0,statusbar=0,menubar=0,resizable=1,width=' + width + ',height=' + height + ',top=' + TopPosition + ',left=' + LeftPosition;
	win = window.open(url, name, settings);
	
	if(win.focus){
		win.focus();
	}
}

function FlipImage(imgName, scriptImage)
{
    if (document.images)
    {
        document[imgName].src = eval(scriptImage + ".src");;
    }
}