function sh_div(what) {
	 var i=0;
	 var coll = [];
	 while (document.getElementById('d'+ i)) {
	  coll[i] = document.getElementById('d'+ i);
		i++;
	 }
 obj = document.getElementById(what);
 var i=0;
 if (obj.className == 'off') {
	 while (coll[i]) {
		coll[i].className = 'off';
		i++;
		} 
	obj.className = 'on';
 } else {
	obj.className = 'off';
 }
}

function sh_div2(what) {
	 var i=0;
	 var coll = [];
	 while (document.getElementById('dd'+ i)) {
	  coll[i] = document.getElementById('dd'+ i);
		i++;
	 }
 obj = document.getElementById(what);
 var i=0;
 if (obj.className == 'off') {
	 while (coll[i]) {
		coll[i].className = 'off';
		i++;
		} 
	obj.className = 'on';
 } else {
	obj.className = 'off';
 }
}

function r_over(koi){
var obj = document.getElementById(koi);
   obj.src = "/images/arrow_2.png";
}
function r_out(koi){
var obj = document.getElementById(koi);
   obj.src = "/images/arrow.png";
}

function PopupPic(sPicURL) { 
     window.open( "/popup.html?"+sPicURL, "",  
     "resizable=1,HEIGHT=200,WIDTH=200, left=3, top=5"); 
   }
	 
function guestbook_send(f, pole1, pole2) {
     var what = "Въведете име и мнение!";
     var obj = document.getElementById(f);	 
  if ((obj[pole1].value == "") || (obj[pole2].value == "")) {
    alert (what);
		return false;
   } else {
    obj.submit();
  }
}