// JavaScript Document
	var pic1= new Image(); 
  pic1.src="images/nabidka_kratka.png"; 

	var pic2= new Image(); 
  pic2.src="images/nabidka.png";
	
	var NabidkaBool=false; 

	function getObj(name){
	  if (document.getElementById)
	  {
			return document.getElementById(name);
	  }
	  else if (document.all)
	  {
			return document.all[name];
	  }
	  else if (document.layers){
	   	return document.layers[name];
	  }
	}

  function swap(){  
		if ( NabidkaBool )
		{
			getObj('Nabidka').src = pic1.src;
		}
		else
		{
			getObj('Nabidka').src = pic2.src;
		};
		NabidkaBool = !NabidkaBool;		
  }