/*Setting the collapse\expand state of the filters.  
		The function is called from each filter object but appears once in the search page*/
		function SwitchStyle(imgObj)
		{
			if (imgObj.title=='Expand') 
			{
				imgObj.title = 'Collapse';
				imgObj.src = './Images/arrow_up.gif';				
				if (imgObj.parentNode.parentNode.parentNode.parentNode.parentNode.childNodes.length == 2)
				{
				    // IE
				    imgObj.parentNode.parentNode.parentNode.parentNode.parentNode.childNodes[1].style.display = '';			
				} else {
                    // Firefox
				    imgObj.parentNode.parentNode.parentNode.parentNode.parentNode.childNodes[3].style.display = '';			
				}
			}
			else
			{
				imgObj.title = 'Expand';
				imgObj.src = './Images/arrow_down.gif';				
				if (imgObj.parentNode.parentNode.parentNode.parentNode.parentNode.childNodes.length == 2)
				{
				    // IE
				    imgObj.parentNode.parentNode.parentNode.parentNode.parentNode.childNodes[1].style.display = 'none';			
				} else {
                    // Firefox
				    imgObj.parentNode.parentNode.parentNode.parentNode.parentNode.childNodes[3].style.display = 'none';			
				}
			}
		}