function resizeDiv() {
  var divContent = document.getElementById('content_4');
  var divLeftnav = document.getElementById('leftNav_4');
  var slideshow = document.getElementById('slideshow');

  if(divContent != null && divContent != 'undefined' &&
     divLeftnav != null && divLeftnav != 'undefined'
  ) {
    divContent.style.height = 'auto';
    divLeftnav.style.height = 'auto';
    
    
    if (navigator.appName=='Microsoft Internet Explorer' && slideshow !='undefined') {
    	if (slideshow >210) {
    		diff=slideshow-210;
    	} else {
    		diff=0;
    	}	
    } else {
    	diff=0;
    }
    if((divContent.offsetHeight-diff) > divLeftnav.offsetHeight) {
      divLeftnav.style.height = (divContent.offsetHeight-diff) + 'px';
    } else if((divContent.offsetHeight-diff) < divLeftnav.offsetHeight) {
      divContent.style.height = divLeftnav.offsetHeight + 'px';
    }
  }
}


function openWin(aObj, width, height, other) {
  var url = aObj.href;
  var tgt = aObj.target;
  if(!other) other = ''; else other = ','+other;

  window.open(url, tgt, 'width='+width+',height='+height+other);
  return false;
}