function controlUpload(obj,key){
    if ( key == null ) {
        var file = document.getElementsByName("image_file_bin")[0];
    } else {
        var file = document.getElementsByName("image_file_bin["+key+"]")[0];
    }
    if(obj.value == 1){
        file.disabled = false;
    }else {
        file.disabled = true;
    }
}

function controlUploadMap(obj){
    var file = document.getElementsByName("map_file_bin")[0];
    if(obj.value == 1){
        file.disabled = false;
    }else {
        file.disabled = true;
    }
}

function controlUploadStaff(obj){
    var file = document.getElementById("image_file");
	if(obj.value == "new_image"){
        file.disabled = false;
    }else {
        file.disabled = true;
    }
}

/*========================
pngfix
========================*/
/*$j(document).ready(function(){
	$j("#wrapper-first").pngfix({
				sizingMethod: "scale"
			});
});*/