<!--
            function SwitchLayer(obj)
			{
				
				if (document.getElementById(obj).style.display=='none')
					ShowLayer(obj);
				else
					HideLayer(obj);
			}
			function ShowLayer(obj)
			{
				document.getElementById(obj).style.display="block";
			}
			function HideLayer(obj)
			{
				document.getElementById(obj).style.display="none";
			}
			function SwitchLayer1()
			{
				if (document.getElementById('Layer1').style.display=='none')
				{
					document.getElementById('Layer2').style.display='none';
					document.getElementById('Layer3').style.display='none';
					document.getElementById('Layer1').style.display="block";
					document.getElementById('imgnews').src='images/index/but_1_f2.gif';
					document.getElementById('imgknowlodge').src='images/index/but_2.gif';
					document.getElementById('333').src='images/index/but_3.gif';
				}
				
			}
			function SwitchLayer2()
			{
				if (document.getElementById('Layer2').style.display=='none')
				{
					document.getElementById('Layer1').style.display='none';
					document.getElementById('Layer3').style.display='none';
					document.getElementById('Layer2').style.display="block";
					document.getElementById('imgnews').src='images/index/but_1.gif';
					document.getElementById('imgknowlodge').src='images/index/but_2_f2.gif';
					document.getElementById('333').src='images/index/but_3.gif';
				}
				
			}
			function SwitchLayer3()
			{
				if (document.getElementById('Layer3').style.display=='none')
				{
					document.getElementById('Layer1').style.display='none';
					document.getElementById('Layer2').style.display='none';
					document.getElementById('Layer3').style.display="block";
					document.getElementById('imgnews').src='images/index/but_1.gif';
					document.getElementById('imgknowlodge').src='images/index/but_2.gif';
					document.getElementById('333').src='images/index/but_3_f3.gif';
				}
				
			}

//-->