function display (category) {
	var whichcategory = document.getElementById(category);
	if (whichcategory.className=="show") {
		whichcategory.className="hide";
	} else {
		whichcategory.className="show";
	}
}


var panels = new Array('panel1', 'panel2', 'panel3', 'panel4', 'panel5', 'panel6', 'panel7');
var selectedTab = null;
function showPanel(tab, name)
   {
        if (selectedTab) 
        {
          selectedTab.style.backgroundColor = 'white';
          
          selectedTab.style.color = '#ccc';

          selectedTab.style.paddingTop = '';  
          
          selectedTab.style.backgroundImage = 'url(slike_n/tab0.jpg)';

        }

        selectedTab = tab;

        selectedTab.style.backgroundColor = 'white';
        
        selectedTab.style.backgroundImage = 'url(slike_n/tab.jpg)';
        
        selectedTab.style.color = '#336699';

        for(i = 0; i < panels.length; i++)

        {

          document.getElementById(panels[i]).style.display = (name == panels[i]) ? 'block':'none';

        }

        return false;

      }