var winOpen = null function displayImage(picName, windowName, windowWidth, windowHeight){ return window.open(picName,windowName,"toolbar=no,scrollbars=no,resizable=no,width=" + (parseInt(windowWidth)+20) + ",height=" + (parseInt(windowHeight)+15)) } function winClose(){ // close all open pop-up windows if(winOpen != null) winOpen.close() } // is window already open, if so, close // if (winOpen.open && !winOpen.closed) { // winOpen.close(); // } function doNothing(){} // does nothing but required by JavaScript in this case function displayImage(picName, windowName, windowWidth, windowHeight){ var winHandle = window.open("" ,windowName,"toolbar=no,scrollbars=no,resizable=no,width=" + windowWidth + ",height=" + windowHeight) if(winHandle != null){ var htmlString = "Picture" htmlString += "" htmlString += "" winHandle.document.open() winHandle.document.write(htmlString) winHandle.document.close() } if(winHandle != null) winHandle.focus() //brings window to top return winHandle } // is window already open, if so, close // if (winOpen.open && !winOpen.closed) { // winOpen.close(); // }