function preload(image)
{var d=document; if(!d.wb_pre) d.wb_pre=new Array();
var l=d.wb_pre.length; d.wb_pre[l]=new Image; d.wb_pre[l].src=image;
}

function over_on(n,ovr)
{var d=document,x; x=d[n];if (!(x) && d.all) x=d.all[n];
if (x){        document.wb_image=x; document.wb_normal=x.src; x.src=ovr; }}

function over_off()
{var x=document.wb_image; if (document.wb_normal) x.src=document.wb_normal;}


function me(id){
k = (document.all)?event.keyCode : arguments.callee.caller.arguments[0].which;
if ((k>=48 && k<=58) || ( k==8) || (k==37) || (k==39) || (k==46)){
 return true
}
else return false
}

function garn_check(val, obg){
var post = 0;
//catalog_add
 if(val) {
    form_obj = document.forms['catalog_add'];
     for(i=0; i<form_obj.elements.length; i++){
        //ajaxObjects[ajaxIndex].setVar( form_obj.elements[i].name, form_obj.elements[i].value );
        //alert(form_obj.elements[i].tagName);
        if (form_obj.elements[i].tagName == "INPUT") {
         post = post-encodeURI(form_obj.elements[i].value);
        }
     }
     post = post*(-1);
    //alert(post);
    if(post>val) {
        alert("Количество гарниров не должно превышать количество вторых блюд!")
        obg.value = '';
    }
 }
} // end of function garn_check

function kcode() {
// вызов: <body onkeyup="kcode();">
  k = (document.all)?event.keyCode : arguments.callee.caller.arguments[0].which;
  alert(k);
}

function day_show(n)
{
document.images["cat_menu_day"+n].src=navi1[n].src;
}
function day_hide(n)
{
document.images["cat_menu_day"+n].src=navi2[n].src;
}

function show(n)
{
document.images["r"+n].src=img1[n-1].src;
}
function hide(n)
{
document.images["r"+n].src=img2[n-1].src;
}

function showlevel(level){
 //alert(level);
 //alert(document.getElementById(level).style.display);
 if(document.getElementById(level).style.display=='none') document.getElementById(level).style.display = "block";
 else document.getElementById(level).style.display = "none";
}

