function openNewWindow(URLtoOpen,windowName,h,w,windowFeatures) {

	var winleft = (screen.width - w) / 2;
	var wintop = (screen.height - h) / 2;
	if (h > 0 && w > 0) {
		windowFeatures += ',height='+h+',width='+w+',top='+wintop+',left='+winleft;
	}
	if (URLtoOpen != null && URLtoOpen != "") {
		newWindow=window.open(URLtoOpen, windowName, windowFeatures);
	}
}

function clickedLink(URLtoOpen,windowName,h,w,windowFeatures) {
	openNewWindow(URLtoOpen,windowName,h,w,windowFeatures);
}