function popUp(page, winname, width, height) { 

	OpenWin = this.open(page, winname, "toolbar=no, menubar=no ,location=no, scrollbars=no, resizable=no, width=" + width + ", height=" + height + ", top=" + (screen.height/2 - height/2) + ", left=" + (screen.width/2 - width/2) + "\""); 
	
} 


function openNewWindow(URLtoOpen, windowName) {

	newWindow=window.open(URLtoOpen, windowName, "toolbar=no, menubar=no ,location=no, scrollbars=yes, resizable=yes");

}