// 顶部菜单
function showmenu(pre,pree, n, select_n,css) {
//pre:二极菜单名称 pree:样式  n:菜单个数  select_n:选择第几个菜单  css：子菜单样式
	for (i = 1; i <= n; i++) {
		var intro = document.getElementById(pre + i);
		var cha = document.getElementById(pree + i);
		intro.style.display = "none";
		cha.className=css + "0";
		if (i == select_n) {
			intro.style.display = "block";
			cha.className=css + "1";
		}
	}
}

function FP_jumpMenu(el,frm,sel) {//v1.0
	var href=el.options[el.selectedIndex].value; if(sel) el.selectedIndex=0;
	if('_new'==frm) open(href); else eval(frm+".location='"+href+"'");
}