function openWin(pageURL, sizeW, sizeH) { centerHeight = (screen.availHeight - sizeH)/2; centerWidth = (screen.availWidth - sizeW)/2; winParam = "top="+ centerHeight +", left="+ centerWidth +", scrollbars, resizable, width=" + sizeW + ",height=" + sizeH; window.open(pageURL,'', winParam); } function openImage(imageURL,sizeW, sizeH) { centerWidth = (screen.availWidth - sizeW)/2; centerHeight = (screen.availHeight - sizeH)/2; winParam = "top="+ centerHeight +", left="+ centerWidth +", scrollbars, resizable, width=" + sizeW + ",height=" + sizeH; pageOpen = open('', 'Image', winParam); pageOpen.document.write('IMAGES'); }