function getdata (objtd) 
{

    var imgs = objtd.getElementsByTagName("img");
         for(var k=0;k<imgs.length;k++)
        {
			var input = imgs[k];
            var imagsrc = input.src;
            var arrayfn =  imagsrc.split("/");
            var imgname = arrayfn[arrayfn.length-1];
            var MylargeImg = document.getElementById('MyImage'); 
            MylargeImg.src= "images/fullsize/"+ imgname;			
        }         
}

function LoadImages (objtbl) 
{
  var MylargeImg = document.getElementById('MyImage'); 
  var orginalsrc = MylargeImg.src;
  var objdoc = document.getElementById(objtbl);
  getdata (objdoc);
  MylargeImg.src = orginalsrc ;
}