function search() {
    	//var obj = document.getElementById('sear').value;
    	var val = document.getElementById('searchtext').value;
	var obj=document.all.sear;	
	for(i=0;i<obj.length;i++){
  	if(obj[i].checked){
    		var opt=obj[i].value;
  		}
	}
    if(opt == 1)
    {
		var url = "http://www.google.cn/search?hl=zh-CN&newwindow=1&as_qdr=all&q=" + val + "+site%3Anews.banma.com&btnG=%E6%90%9C%E7%B4%A2&meta=";
    }
    else if(opt == 2)
    {
        var url = "http://cgi.banma.com/search/search.php?key=" + val + "&type=";
    }
    else if(opt == 3)
    {
        var url = "http://reg.banma.com/Search.aspx?t=name&v=" + val;
    }
	else if(opt == 4)
    {
        var url = "http://www.banma.com/shell/find.php?key=" + val;
    }

    window.open(url, "newwindow", "");
}