function showmenu(elmnt){
				document.getElementById(elmnt).style.visibility="visible"
			}
			function hidemenu(elmnt){
				document.getElementById(elmnt).style.visibility="hidden"
			}
			function positionFooter()
	    {
	        var heightContent = 0;
	
	        // Get biggest content height
	        if (document.getElementById('content') )
	        {
	            heightContent = document.getElementById('content').offsetHeight+ 300;
	        }

	        
	        // Position the footer
	        if (document.getElementById('footer'))
	        {
	            // IE or not IE?
	            if (navigator.userAgent && navigator.userAgent.indexOf("MSIE") >= 0)
	            {
	                document.getElementById('footer').style.setAttribute('top', heightContent + 'px');
	            }
	            else
	            {
	                document.getElementById('footer').style.setProperty('top', heightContent + 'px', null);
	            }
	        }
	        // set the left banner height
	        if (document.getElementById('leftbanner'))
	        {
	            // IE or not IE?
	            if (navigator.userAgent && navigator.userAgent.indexOf("MSIE") >= 0)
	            {
	                document.getElementById('leftbanner').style.setAttribute('height', heightContent + 'px');
	            }
	            else
	            {
	                document.getElementById('leftbanner').style.setProperty('height', heightContent + 'px', null);
	            }
	        }
	    }