function isInteger(test)
{
   return (parseInt(''+test) == test);
}

var sliding = false;

function expand_modules()
{

   if(document.getElementById('ModulesMenu').style.display == "block")
      document.getElementById('ModulesMenu').style.display = "none";
   else
   {
      document.getElementById('ModulesMenu').style.display = "block";
/*
      if(!sliding)
      {
         sliding = true;
         var height = document.getElementById('ModulesMenu').clientHeight;
         document.getElementById('ModulesMenu').style.height = 0;
         document.getElementById('ModulesMenu').style.display = "block";
         slide('ModulesMenu', height);
      }
*/
   }
}

function slide(element_id, h)
{
   if(document.getElementById(element_id).clientHeight < h)
   {
      document.getElementById(element_id).style.height = document.getElementById(element_id).clientHeight + 1;
      setTimeout("slide("+elementid+", "+h+")", 1000);
   }
   else
      sliding = false;
}

function setHeight(el, h)
{
   document.getElementById(element_id).style.height = i;
}

function detectSave(e)
{
   var evtobj = window.event? event : e;
   
   var unicode = e.keyCode? e.keyCode : e.charCode;
   
   if (evtobj.ctrlKey && unicode == 115)
   {
      document.getElementById('saveSubmit').click();
      return false;
   }
   
   if (unicode == 9)
      return false;
}

function enlarge_image(me)
{
    ikke = document.getElementById('tab_icon_' + me);
    ikke.src = ikke.src.substr(0,ikke.src.length -4 ) + "_l" + ikke.src.substr(ikke.src.length -4,4);

   tabtext = document.getElementById('tab_text_' + me);
   tabtext.style.color = "red";
}

function reduce_image(me)
{
   ikke = document.getElementById('tab_icon_' + me);
   ikke.src = ikke.src.substr(0,ikke.src.length -6 ) + ikke.src.substr(ikke.src.length -4,4);
    tabtext = document.getElementById('tab_text_' + me);
    tabtext.style.color = "#3399CC";
}

function showForm(myelement)
{
   var ftype = 'inline';
   
   if(document.getElementById(myelement).style.display == ftype)
   {
      document.getElementById(myelement).style.display = 'none';
   }
   else
   {
      document.getElementById(myelement).style.display = ftype;
   }

}