function galleryImage(url,w,h) {
var alt=' - ';
var left = Math.ceil( (window.screen.width-w) / 2 );
var top = Math.ceil( (window.screen.height-h) / 2)-30;
myWin = window.open("","myWind","width="+w+",height="+h+",left="+left+",top="+top+");");
myWin.document.open();
myWin.document.write(''+alt+'');
myWin.document.write('![](\"'+url+'\")
');
myWin.document.write('');
myWin.document.close();
myWin.focus();
}