function setCheckboxes()
        {
         if (document.getElementById('pnlSearchOptions').className == "hBlock")
            {document.getElementById('pnlSearchOptions').className = "vBlock";
             // set labels - different for IE and FireFox
		     if(document.all)
		     {
			     document.getElementById("spnOptText").innerText = "Hide options";
		     } else{
			     document.getElementById("spnOptText").textContent = "Hide options";
		     }            
            }
           else
              {document.getElementById('pnlSearchOptions').className = "hBlock";
             // set labels - different for IE and FireFox
		     if(document.all)
		     {
			     document.getElementById("spnOptText").innerText = "More options";
		     } else{
			     document.getElementById("spnOptText").textContent = "More options";
		     }            
            }             
        }
    
    function checkIntegrity(chkId)
        {
            // if any checkbox is unchecked, uncheck the all sites checkbox
            if (document.getElementById(chkId).checked == false)
                {document.getElementById('chkAllWeb').checked = false;}   
            
            // if all sites checked, check all other boxes
            if (document.getElementById('chkAllWeb').checked == true)
                {
			     var root= document.getElementById("pnlSearchOptions");
			     var elems = root.getElementsByTagName("input");        	
		         for (var i = 0; i < elems.length; i++) 
		             {
			            elems[i].checked = true;
		             }                 
                }
            }