star_x = "";
image_on="images/ocena/star_on.gif";
image_off="images/ocena/star_off.gif";

function star(x,y){
  document.getElementById(x).src=image_on;
  //if(star_x != "") 
  //  document.getElementById(star_x).src=image_off;
  if(star_x == x) {
    star_x="";  document.getElementById("ocena").value="0";
    document.getElementById('e').src=image_off;
	document.getElementById('d').src=image_off;
	document.getElementById('c').src=image_off;
	document.getElementById('b').src=image_off;
	document.getElementById('a').src=image_off;
  } else {
 		star_x = x; document.getElementById("ocena").value=y;
  }
}

function stars(x){
  killem();
  switch(x){
	case 5:
	  document.getElementById('e').src=image_on;
	case 4:
	  document.getElementById('d').src=image_on;
	case 3:
	  document.getElementById('c').src=image_on;
	case 2:
	  document.getElementById('b').src=image_on;
	case 1:
	  document.getElementById('a').src=image_on;
//	case 0:
//	  document.getElementById('z').src=image_off;
	  break;
  }
}

function killem(){
  document.getElementById('a').src=image_off;
  document.getElementById('b').src=image_off;
  document.getElementById('c').src=image_off;
  document.getElementById('d').src=image_off;
  document.getElementById('e').src=image_off;
//  document.getElementById('z').src=image_off;
}

// onmouseout event that similarily kills the source
function starsx(x){
  switch(x){
	case 5:
	  if(star_x != 'e') document.getElementById('e').src=image_off;
	case 4:
	  if(star_x != 'd') document.getElementById('d').src=image_off;
	case 3:
	  if(star_x != 'c') document.getElementById('c').src=image_off;
	case 2:
	  if(star_x != 'b') document.getElementById('b').src=image_off;
	case 1:
	  if(star_x != 'a') document.getElementById('a').src=image_off;
//	case 0:
//	  if(star_x != 'z') document.getElementById('z').src=image_off;
	  break;
  }
  switch(star_x){
	case 'e':
	  stars(5);
	  break;
	case 'd':
	  stars(4);
	  break;
	case 'c':
	  stars(3);
	  break;
	case 'b':
	  stars(2);
	  break;
	case 'a':
	  stars(1);
	  break;
//	case 'z':
//	  stars(0);
	  break;
  }

}