function viewImg(imgId, imgWidth, imgHeight){
	  imgHeight=imgHeight+100;
	  imgWidth=imgWidth+100;
      var xstr = 'scrollbars=no,toolbar=no,status=no,menubar=no,directories=no,location=no,resizable=yes,width='+imgWidth+',height='+imgHeight;
      pageName = 'view_img.php?id='+imgId;
      var prodWindow = window.open(pageName, 'window'+Math.round(Math.random()*1000), xstr);
      if (prodWindow) prodWindow.focus();
}

function backToSite(){
	var prodWindow = window.opener;
	if (prodWindow){
		prodWindow.focus();
		window.close();
	}
}