function cgpopup(wURL,wName,wWidth,wHeight,wOptions)
 {
 sW = Math.round((screen.width/2)-(wWidth/2));
 sH = Math.round((screen.height/2)-((wHeight/2)+27));
 window.open(wURL,wName,'width='+wWidth+',height='+wHeight+','+wOptions+',left='+sW+',top='+sH);
 }