function Miganie (){

 anchor = document.getElementById('miganie1');

// if(anchor.hasAttribute('id'))
 //anchor.setAttribute("id", "miganie2");

 var f = 1; 
 var timer = setInterval(
       function(){
       	if(f==1){
          f = 0
          anchor.setAttribute("id", "miganie2")
          }
         else{
          f = 1
          anchor.setAttribute("id", "miganie1")
         }
      }
      ,350);
}