function centerSquareThumbs(container,size){var widget=document.getElementById(container);var images=widget.getElementsByTagName('img');for(var i=0;i<images.length;i++){var left=((images[i].width-size)/2)*-1;var top=((images[i].height-size)/2)*-1;images[i].style.marginLeft=left+'px';images[i].style.marginTop=top+'px';}}