function swap_image(id)
   {
   image_menu=document.getElementById(id);
   var old_src=image_menu.src;
   var match_string_minus=/minus/;
   var match_string_plus=/plus/;
   if(old_src.search(match_string_minus)!=-1)
     {
	 var temp=old_src;
	 new_src=temp.replace(match_string_minus,"plus");
	 }
   if(old_src.search(match_string_plus)!=-1)
     {
	 var temp=old_src;
	 new_src=temp.replace(match_string_plus,"minus");
	 }	 
   image_menu.src=new_src;
   }
function switch_menu(name)
   {   
   submenu=document.getElementById(name);	   
   if(submenu.style.display=="inline")
     {
     submenu.style.display="none";
     }
   else
     {
     submenu.style.display="inline";
     }   
   }
   
function otevri_okno(obrazek)
{
var win=window.open("","nazev","width=600,height=600,menubar=no,toolbar=no");
win.document.write("<html><body bgcolor='#CCD7CD'>");
win.document.write("<table width='100%' height='100%'><tr><td valign='middle' align='center'><a href='javascript:window.close()'><img src='"+obrazek+"' border='0' alt='Kliknutím na obrázek zavřete okno' /></td></tr></table>");
win.document.write("</body></html>");
}

function validate_count(form)
        {
        if(form.insert_count.value<1 || form.insert_count.value>10000 || isNaN(form.insert_count.value) || form.insert_count.value.indexOf(".")==1)
                {
                alert("Nesprávně zadaný počet kusů");
                return false;
                }
        else
                {
                buy();
                return true;
                }
        }
	
function validate_edit_count(form)
        {
        if(form.edit_count.value<1 || isNaN(form.edit_count.value) || form.edit_count.value.indexOf(".")==1)
                {
                alert("Nesprávně zadaný počet kusů");
                return false;
                }
        else
                {
                return true;
                }
        }
	
function delete_confirm()
{
logic=window.confirm("Opravdu chcete pokračovat v mazání?");
if(logic)
        {
        return true;
        }
        else
        {
        return false;
        }
}

function validate_search(form)
	{
	if(form.key_words.value=='' || form.key_words.value.length<2)
		{
		alert("Musí být zadáno klíčové slovo delší než 1 znak");
		return false;
		}
	else
		{
		return true;
		}
	}

function validate_email(form)
	{
		if(form.email.value=='' || form.email.value.length<=5 || form.email.value.indexOf('@')==-1)
			{
				alert("E-mailová adresa není zadána ve správném tvaru");
				return false;
			}
			else
			{
				return true;
			}
	}


	
function switch_adv_form(id)
	{
	var adv_form=document.getElementById(id);
	if(adv_form.style.display=="none")
		{
		adv_form.style.display="block";
		}
	else
		{
		adv_form.style.display="none";
		}
	}
	
function validate_adv_search(form)
	{
	if(form.key_words.value=='' || form.key_words.value.length<2)
		{
		alert("Musí být zadáno klíčové slovo delší než 1 znak");
		return false;
		}
	else if(form.item_name.checked==false && form.short_text.checked==false && form.long_text.checked==false && form.code.checked==false)
		{
		alert("Musíte vyhledávat alespoň podle jednoho atributu");
		return false;
		}
	return true;
	}


function order_confirmation()
	{
	logic=window.confirm("Opravdu chcete vytvořit závaznou objednávku?");
	if(logic)
          {
          return true;
          }
        else
          {
          return false;
          }
	}

function generuj(velkyobrazek,kategorie,popisek)
{
	u_okno1=window.open("","okno1","toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=1,resizable=1,copyhistory=0,width=630,height=590,top=0,left=110");

	u_okno1.document.write("<html>\n");
	u_okno1.document.write("<head>\n");
	u_okno1.document.write("<title>Velký obrázek</title>\n");
	u_okno1.document.write("</head>\n");
	u_okno1.document.write("<body bgcolor=\"#EADE91\" marginwidth=\"0\" marginheight=\"0\" topmargin=\"0\" bottommargin=\"0\" leftmargin=\"0\" rightmargin=\"0\">\n");
	u_okno1.document.write("<table width=\"610\">\n");
	u_okno1.document.write("<tr>\n");
	u_okno1.document.write("<td align=\"center\">\n");
	u_okno1.document.write("<a href=\"javascript:window.close();\"><img src=\"administrace/mod_photogallery/data/"+kategorie+"/big"+velkyobrazek+".jpg\" border=\"0\" hspace=\"0\" vspace=\"0\" alt=\"\"></a>\n");
	u_okno1.document.write("<br><br><span style=\"font-size: 11px;text-decoration: none;font-family: Verdana, Arial CE, Helvetica CE, Arial, Helvetica, sans-serif;color: #74071B;\" align=\"center\"><strong>"+popisek+"</strong></span><br><br>\n");
	u_okno1.document.write("<br><span style=\"font-size: 11px;text-decoration: none;font-family: Verdana, Arial CE, Helvetica CE, Arial, Helvetica, sans-serif;color: #74071B;\" align=\"center\">Kliknutím kdekoliv na obrázek okno zavřete</span><br><br>\n");
	u_okno1.document.write("</td>\n");
	u_okno1.document.write("</tr>\n");
	u_okno1.document.write("</table>\n");
	u_okno1.document.write("</body>\n");
	u_okno1.document.write("</html>");

}	
	
function newWindow(url)
		{
		windowRef = window.open(url,"nove","");
		wasOpen = false;
		if (typeof(windowRef) == "object")
			{
			wasOpen = true;
			}
		return wasOpen;
		}	
	
var bookmarkurl="http://www.cajakava.cz"
var bookmarktitle="Čaj a káva - Pavel Kymlička"

function addbookmark(){
  if (document.all)
  window.external.AddFavorite(bookmarkurl,bookmarktitle)
}
