//显示导航栏的背景图片
function onshow1(obj){
	obj.style.background="url('images/yellow1.jpg')";
	obj.style.color="#000000";
}
function onshow(obj){
	obj.style.background="url('images/blak1.jpg')"


}

function onshow2(obj){
	obj.style.background="url('images/mybutton.gif')";
	obj.style.color="#000000";
		
	}
	
function onshow3(obj){
	obj.style.background="url('images/mybutton.gif') bottom left";
	//obj.style.position="top";
	obj.style.color="#FFFFFF";
	//obj.style="dd";
	
	}
//第一个下拉列表框显示的友情链接
function sele(obj){
	var linkName=Array("http://www.scmvc.cn","http://www.moe.edu.cn/","http://www.scedu.net/structure/index.htm","http://www.tech.net.cn/","http://www.sicnu.edu.cn/");
	
	top.location.href=linkName[obj.selectedIndex];
	}
//第二个一拉列表框显示的友情链接
function sele1(obj){
	var linkName=Array("http://www.scmvc.cn","http://yuanban.scmvc.cn","http://falvxi.scmvc.cn","http://scmvc.nizd.cn/","http://caiwu.scmvc.cn","http://tuqing.scmvc.cn","http://houqing.scmvc.cn/");
	
	top.location.href=linkName[obj.selectedIndex];
	}