var NS = (navigator.appName.indexOf("Netscape")!=-1);
    var MS = (navigator.appName.indexOf("Microsoft")!=-1);
    var VER=parseInt(navigator.appVersion);
    var CSS=((MS&&VER>=4)||(NS&&VER>=5));
    var NS4=(NS&&VER==4);
    var NS6=(NS&&VER==5);
    var IE4=(MS&&VER==4);
    var IE5=(MS&&VER==5);
    var ver4= (VER>=4&&(MS||NS));
    var ver5=((MS&&VER>=5)||(NS&&VER>=5));
    function expandEl1(el) {
      if ( !CSS ) return;
      if ( IE4 ) {
        whichEl = eval("b" + el);
      } else {
        whichEl = document.getElementById("b" + el);
      }
      if (whichEl ) {
        if ( whichEl.style.display != "block") {
          whichEl.style.display = "block";
        }
        else {
          whichEl.style.display = "none";
        }
      }
    }
    function mf_icontime1(id, text) { // SSI version

      if ( CSS )
        {document.write('<a href="#" class="leftmenu" onClick="expandEl1(\''+id+'\');return false;">'+text+'</a>');}
      else
        {document.write(text);}
    }
    function countSumm(price)
    {
    	if (IE4)
    	{
    		El1=eval("zakaz.num");
    		El2=eval("zakaz.sum");
    	}
    	else
    	{
    		El1=document.getElementById("zakaz_num");
    		El2=document.getElementById("zakaz_sum");;
    	}
    	if (El1 && El2)
    	{
    		El2.value=El1.value*price;
    	}
    }

    function check_form_zakaz()
    {
	      if ( (document.forms.zakaz.fio.value == null) || (document.forms.zakaz.fio.value.length < 7) )
	      {
	        alert("Заполните поле: Ф.И.О.");
	        document.forms.zakaz.fio.focus();
	        return false;
	      }
	      if ( (document.forms.zakaz.phone.value == null) || (document.forms.zakaz.phone.value.length < 7) )
	      {
	        alert("Заполните поле: Телефон");
	        document.forms.zakaz.phone.focus();
	        return false;
	      }
		if (! (/^[0-9\/\-\(\)\\\s\+]+$/.test(document.forms.zakaz.phone.value)) )
          {
            alert("Введите правильный телефон");
            document.forms.zakaz.phone.focus();
            return false;
          }
	      if ( (document.forms.zakaz.email.value == null) || (document.forms.zakaz.email.value.length < 7) )
	      {
	        alert("Заполните поле: E-Mail");
	        document.forms.zakaz.email.focus();
	        return false;
	      }
	      if (! (/^\w+@\w+-?\w+\.[a-z]{2,4}$/.test(document.forms.zakaz.email.value)) )
	      {
	        alert("Введите правильный e-mail адрес");
	        document.forms.zakaz.email.focus();
	        return false;
	      }
	      if ( (document.forms.zakaz.addr.value == null) || (document.forms.zakaz.addr.value.length < 7) )
	      {
	        alert("Заполните поле: Адрес доставки");
	        document.forms.zakaz.addr.focus();
	        return false;
	      }
	      return true;
    }