function set_home(obj){
	obj.style.behavior='url(#default#homepage)';
	obj.setHomePage("http://www.sunlush.com.cn");
}
function bookmarkit() {window.external.addFavorite('http://www.sunlush.com.cn','三立照明 愉悦光文化');}
function showNav(obj,num){
	document.getElementById("m_cont"+num).style.display="block";
	obj.className="li2";
	for(i=1;i<=9;i++){
		if(i!=num){
			document.getElementById("nav"+i).className="li3";
			document.getElementById("m_cont"+i).style.display="none";
		}
	}
}
function unshow(obj){

}
// JavaScript Document

//是否为空
function checkspace(checkstr) {
  var str = '';
  for(i = 0; i < checkstr.length; i++) {
    str = str + ' ';
  }
  return (str == checkstr);
}
//检查手机号码
function isphone(instr)
{
   var chars='0123456789-';
    tf= true;
    for (i=0;i<instr.length;i++)
    {
        ch = instr.charAt(i);
        if (chars.indexOf(ch)==-1)
        {
            tf=false;
            break;
        }
    }
    return tf;
}
//判断是否为数字
function IsDigit(){return ((event.keyCode >= 48) && (event.keyCode <= 57));}
//是否是中文
function isChinese(str){
	return /[\u4E00-\u9FA0]/.test(str);
}
//ajax
function LabelAjax()
{
var XmlHttp;
	//windows
	try {
		XmlHttp = new ActiveXObject("Msxml2.XMLHTTP.3.0");
	} catch (e) {
		try {
			XmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
		} catch (e) {
			try {
				XmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
			} catch (e) {
				XmlHttp = false;
			}
		}
	}
	//other
	if (!XmlHttp)
	{
		try {
			XmlHttp = new XMLHttpRequest();
		} catch (e) {
			XmlHttp = false;
		}
	}
	return XmlHttp;
}
//页面跳转
function Go_to(url){window.location.href=url;}
function Go_to2(url,bk){window.open(url,bk);}