function openNewWindow(URLtoOpen,windowName,width,height)
{
windowFeatures ="menubar=no,scrollbars=no,location=yes,favorites=no,resizable=no,status=no,toolbar=no,directories=no";
var test = "'"; 
winLeft = (screen.width-width)/2; 
winTop = (screen.height-(height+110))/2; 
myWin= open(URLtoOpen,windowName,"width=" + width +",height=" + height + ",left=" + winLeft + ",top=" + winTop + test + windowFeatures + test);
}