function expand() {
  var myWidth = 0, myHeight = 0; var offset = 230;
 divA1 = document.getElementById('MID-SEC');
 divA2 = document.getElementById('SIDE-BLOCK');
 divA3 = document.getElementById('SK'); /* side */
 if (divA3 == null) {
   // image browser side
   divA3 = document.getElementById('accordion');
   offset = 195;
 }
 divA4 = document.getElementById('SK2'); /* main section */
 divA5 = document.getElementById('PIC-BLOCK');
 divTOOLS = document.getElementById('TOOLS');

  A1 = Math.max(divA4.offsetHeight,divA3.offsetHeight+29); /* max content height */
  if (divA5 != null) {
     A = Math.max(A1,divA5.offsetHeight+50);
  } else {
     A = A1;
  }

  if( typeof( window.innerWidth ) == 'number' ) {
    //Non-IE
    myWidth = window.innerWidth;
    myHeight = window.innerHeight;
  } else if( document.documentElement && ( document.documentElement.clientWidth || document.documentElement.clientHeight ) ) {
    //IE 6+ in 'standards compliant mode'
    myWidth = document.documentElement.clientWidth;
    myHeight = document.documentElement.clientHeight;
  } else if( document.body && ( document.body.clientWidth || document.body.clientHeight ) ) {
    //IE 4 compatible
    myWidth = document.body.clientWidth;
    myHeight = document.body.clientHeight;
  }

 var B = Math.max(A, (myHeight - offset ));
 //var B = Math.max(A, (myHeight - 230));
 var B1 = B - 29;
 divA1.style.height = B+'px';  /* middle */
 divA3.style.height = B1+'px';   /* side */
 divA4.style.height = B+'px';   /* middle */

}