function gnav(arg_gnav_array,arg_exept){
	
	var cnt = arg_gnav_array.length;

	for(var ii=0; ii<cnt; ii++){
		
		var btn_img = lib.getI(arg_gnav_array[ii][0]);
        
        if (btn_img != null) {
		    if(btn_img.id != arg_exept){
		
			    //rollover関数セット
			    rollover(btn_img,arg_gnav_array[ii][1])
		    }
        }
	}
}