var this_classname = "";
var lang = new Array();
var timeout;
var userAgent = navigator.userAgent.toLowerCase();
var is_webtv = userAgent.indexOf('webtv') != -1;
var is_kon = userAgent.indexOf('konqueror') != -1;
var is_mac = userAgent.indexOf('mac') != -1;
var is_saf = userAgent.indexOf('applewebkit') != -1 || navigator.vendor == 'Apple Computer, Inc.';
var is_opera = userAgent.indexOf('opera') != -1 && opera.version();
var is_moz = (navigator.product == 'Gecko' && !is_saf) && userAgent.substr(userAgent.indexOf('firefox') + 8, 3);
var is_ns = userAgent.indexOf('compatible') == -1 && userAgent.indexOf('mozilla') != -1 && !is_opera && !is_webtv && !is_saf;
var is_ie = (userAgent.indexOf('msie') != -1 && !is_opera && !is_saf && !is_webtv) && userAgent.substr(userAgent.indexOf('msie') + 5, 3);

function moveon(num){
	clearTimeout(timeout)
	e=document.getElementById("shows_"+num);
	//document.getElementById("showcity");
	var t=e.offsetTop; 
	var l=e.offsetLeft; 
	while(e=e.offsetParent){ 
		t+=e.offsetTop; 
		l+=e.offsetLeft; 
	} 
	//alert(is_ns + "\n" + is_ie + "\n\n" + t + "\n" + l);
	
	var bodyHeight = document.documentElement.offsetHeight;
	//alert(bodyHeight);

	
	document.getElementById("shows_d_"+num).style.left=l+240 + "px";
	document.getElementById("shows_d_"+num).style.top=t+"px";

	document.getElementById("shows_d_"+num).style.display="";
	this_classname = document.getElementById("shows_"+num).className;
	document.getElementById("shows_"+num).className="mid_left_mid_1";
	
	if(t + document.getElementById("shows_d_"+num).offsetHeight > bodyHeight) {
		document.getElementById("shows_d_"+num).style.top = (t-document.getElementById("shows_d_"+num).offsetHeight)+25+"px";
	}
	
	//alert($("shows_d_"+num).offsetHeight);
}

function moveout(num){
	//timeout=setTimeout('document.getElementById("shows_d_'+num+'").style.display="none"',100);
	document.getElementById("shows_d_"+num).style.display="none";
	document.getElementById("shows_"+num).className = this_classname;
}

function checkthis(lan) {
	var form = document.contact;
	var flag = true;
	var tag  = "";
	var emma = "";
	var lan;
	if(form.elements.length ==0){
		alert('No Checked!');
		return false;
	}
	for(var i = 0; i < form.elements.length; i++){
		var e = form.elements[i];
		if(e.checked ){
			tag += emma + e.value;
			emma = "_";
			if(flag){
				flag = false;
			}
		}
	}
	if(flag && form.elements.length > 0){
		alert('No Checked!');
		return false;
	}
	if(lan == "cn"){
		window.open("directory_contact_cn.php?ids="+tag,"_blank");
	}else{
		window.open("directory_contact.php?ids="+tag,"_blank");
	}
	return false;
}

//exhibition.php moverover, out效果
function m_over(id){
	document.getElementById("show_"+id).className="mid_left_mid_1_no";
}
function m_out(id){
	document.getElementById("show_"+id).className="mid_left_mid_no";
}

function SS(id) {
	return document.getElementById(id);
}