function newWindow(page,width,height){
	var w = width;
	var h = height;
	var winl = (screen.width-w)/2;
	var wint = (screen.height-h)/2;
	
	var settings  ='height='+h+',';
	    settings +='width='+w+',';
	    settings +='top='+wint+',';
	    settings +='left='+winl+',';
	
	popupWindow = window.open(page,"popupWin",settings);
	popupWindow.focus();
}