function startJava(name)
{
	document.location = "visjava.php?java=" + name;
}

function startFlash(name)
{
	document.location = "visflash.php?flash=" + name;
}

function startDhtml(name)
{
	// Preferred window size
	sizex = 750;
	sizey = 600;
	// Window size should not be larger than the screen area
	if (sizex > screen.availWidth) sizex = screen.availWidth;
	if (sizey > screen.availHeight) sizey = screen.availHeight;
	// Calculate window position
	posx = screen.availWidth / 2 - sizex / 2;
	posy = screen.availHeight / 2 - sizey / 2;
	// Opera uses invalid position coordinates
	if (navigator.userAgent.indexOf("Opera") != -1) posy = 0;
	// Open window at partially correct position and size
	win = window.open("/dhtml/" + name + ".html", "vangen","width="+sizex+",height="+sizey+",left="+posx+",top="+posy+",location=no,menubar=no,resizable=yes,scrollbars=auto,status=no,toolbar=no");
	// Resize and move window
	win.resizeTo(sizex, sizey);
	win.moveTo(posx, posy);
}

function viewImage(image)
{
	window.open("image.php?" + image, "vangen", "width=650,height=500,scrollbars=yes,toolbar=no,directories=no,menubar=no,statusbar=no");
}