function navesUdalosti() {
		var forms = document.getElementsByClassName("delete");
		//<![CDATA[
		for (var i=0;i<forms.length;i++) {
			forms[i].addEventListener("submit", onSubmit, false);	
		}
		//]]> 
		
	} 

function onSubmit(event) {
		var form = event.target;
		if (confirm("Opravdu chcete smazat?")) {
			return true;
		} else {
			event.preventDefault();
			return false;
			
		}
		
	}
   
 function Hide(i)
  {
    document.getElementById(i).style.display=(document.getElementById(i).style.display == 'block')?'none':'block';
    
  }
  
  function Opera()
  {
  if (navigator.appName == "Opera") 
  {}
    
   
  }