var popUpWin=0;
function getImageZoomHTML(imageURL, imageWidth, imageHeight) {
html = '';
html += '';
html += '';
html += 'ZOOM';
html += '';
html += '';
html += '
';
html += '';
html += '';
return html;
}
function zoomImage(imageURL, imageWidth, imageHeight)
{
if(popUpWin)
{
if(!popUpWin.closed) popUpWin.close();
}
var defaultWidth = (screen.availWidth - 150);
var defaultHeight = (screen.availHeight - 100);
var windowWidth = (defaultWidth < imageWidth) ? defaultWidth : imageWidth;
var windowHeight = (defaultHeight < imageHeight) ? defaultHeight : imageHeight;
var left = (screen.availWidth - windowWidth) / 2;
var top = (screen.availHeight - windowHeight) / 2;
var scrollbar = (defaultWidth < imageWidth || defaultHeight < imageHeight) ? 'yes' : 'no';
popUpWin = window.open('', 'popUpWin', 'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbar='+scrollbar+',resizable=no,copyhistory=yes,width='+windowWidth+',height='+windowHeight+',left='+left+', top='+top+',screenX='+left+',screenY='+top+'');
popUpWin.document.write(getImageZoomHTML(imageURL, imageWidth, imageHeight));
}