<!--		
	function getObject(objectId) {
		if(document.getElementById && document.getElementById(objectId)) {
		// W3C DOM
		return document.getElementById(objectId);
		} else if (document.all && document.all(objectId)) {
		// MSIE 4 DOM
		return document.all(objectId);
		} else if (document.layers && document.layers[objectId]) {
		// NN 4 DOM.. note: this won't find nested layers
		return document.layers[objectId];
		} else {
		return false;
		}
	} // getObject
//-->

<!--		
	// 线路页面右侧搜索引擎导航背景	
	function changnav(n){	
		for (var i = 1;i<=14;i++){
			if(i==n){					
				getObject("subnav"+i).className="subnav show";
			}
			else{
				getObject("subnav"+i).className="subnav hidden";
			}	
		}
	}

	function keepcurrent(n){	
		for (var k = 1;k<=14;k++){
			if(k==n){					
				getObject("subnav"+k).className="subnav show";
			}
			else{
				getObject("subnav"+k).className="subnav hidden";
			}	
		}
	}

	function changeFirstPage(n){	
		for (var j = 1;j<=14;j++){
			if(j==n){					
				getObject("subnav1").className="subnav show";
				getObject("subnav"+j).className="subnav hidden";
			}
			else{
			}	
		}
	}
//-->