var nav_obj="nav_link_home";

function setButton(){
	var obj=document.getElementsByClassName("bt");
	for(var i=0;i<obj.length;i++){
		obj[i].onmouseover=function(){this.className='bt_over';}
		obj[i].onmouseout=function(){this.className='bt';}
	}
}

function getPost(g,t){
	var url
	if(g){
		switch(g){
			case "login":
			url="../login.asp?url="+escape(location.href)+"&t="+t;
			break;
			case "register":
			url="../register.asp?url="+escape(location.href)+"&t="+t;
			break;
		}
		location.href=url
	}	
}