function O(objId)
{
	if(!objId){
		throw new Error("o(String objId) mast no empty");
	}
	if(document.getElementById){
		return eval('document.getElementById("'+objId+'")');
	}
	else if(document.layers){
		return eval("document.layers['"+objId+"']");
	}
	else{
		return eval('document.all.'+objId);
	}
}
function dosearch()
{
    var wd = O("wd").value;
    
    if(wd==null||wd=="")
    {
        alert("please type key word for search");
    }
    else
    {
        window.location = "/en/search/result.aspx?wd=" + escape(wd);
    }

}