function check_search(obj,a,b,c,url,sw,dos,typ,asp_url){
	var arr	= Array(a,b,c);
	for(i=0;i<arr.length;i++){
		document.getElementById(arr[i]).className	= "a8";
	}
	obj.className	= "a7";
	document.getElementById('search_frm').action	= url;
	document.getElementById('search_word').name		= sw;
	document.getElementById('do').value				= dos;
	document.getElementById('typ').value			= typ;
	document.getElementById('asp_url').value		= asp_url;
	
	var arr_search	= Array('bl','kj','qz','rz');
	for(i=0;i<arr_search.length;i++){
		if(typ == arr_search[i]){
			document.getElementById(""+arr_search[i]+"_hot_search").style.display	= "";
		} else {
			document.getElementById(""+arr_search[i]+"_hot_search").style.display	= "none";
		}
	}
	// add by zhangyan
/*	if ( typ == "bl" || typ=='kj')
	{
		document.charset='utf-8';
	}
	else
	{
		document.charset='gb2312';		
	}*/
	// add by zhangyan end
}
function form_action(){
	document.getElementById('search_frm').submit();
}