function popWin(imgName, winWidth, winHeight, winName)
{ 

 // Define Window width and height right here so that it can easily be modified. 
 if (!winWidth)
    var winWidth = 450; 
 
 if (!winHeight)
    var winHeight = 175; 
    
if (!winName) 
   var winName = "PopUp";

//if (!scrollbars) 
//   var scrollbars = "yes" 
 
 // Midx and Midy will be used to center the window.
 var midx = (screen.width/2) - (winWidth/2); 
 var midy = (screen.height/2) - (winHeight/2)
 
 // Set up the Propeties String
//var props = "height=" + winHeight + ",width=" + winWidth + ",screenX=" + midx + ",screenY=" + midy + ",top=" + midy + ",left=" + midx + ",scrollbars=" + scrollbars; 
var props = "height=" + winHeight + ",width=" + winWidth + ",screenX=" + midx + ",screenY=" + midy + ",top=" + midy + ",left=" + midx + ",scrollbars=1"; 


 window.open(imgName, winName, props);
 
} 


function enlargeImage(imgName) 
{ 
  if (translate[imgName])
   popWin(translate[imgName],500, 600,'enlarge', "no"); 
}