function defaultInputValue(id){
	var curentValue = document.getElementById(id).value;
	if(curentValue == "adresa dvs. de email"){
		var defaultValue = "adresa dvs. de email";
		document.getElementById(id).value = "";
		
		document.getElementById(id).onblur = function(){
			if(document.getElementById(id).value == ""){
				document.getElementById(id).value = defaultValue;
			}
		}
	}
}
// INITIATE FUNCTIONS
function initiateFunctions(){
	//dimOpacity();
	//copyPageButtons();
	//setInterval("scrollingDetector()", 100);
	//setInterval('live_clock()', 1000);
	//setContentHeight();
}
onload = initiateFunctions;
// hide or show tabs
function changeTab(id){
	//count tabs
	var tabholder = document.getElementById('interactiv');
	var tabs = tabholder.getElementsByTagName('li').length;
	//hide all tabs
	for(var x=0; x<tabs; x++){
		var tabId = "tab"+x;
		var boxId = "box"+x;
		document.getElementById(tabId).className = "";
		document.getElementById(boxId).style.display = "none";
	}
	var newTabId = "tab"+id;
	var newBoxId = "box"+id;
	document.getElementById(newTabId).className = "active";
	document.getElementById(newBoxId).style.display = "";
}
//fade out div
var  TimeToFade = 2000.0;
function fade(eid){
  var element = document.getElementById(eid);
  if(element == null)return;
  if(element.FadeState == null){
    if(element.style.opacity == null || element.style.opacity == '' || element.style.opacity == '1'){
      element.FadeState = 2;
    }else{
      element.FadeState = -2;
    }
  }
  if(element.FadeState == 1 || element.FadeState == -1){
    element.FadeState = element.FadeState == 1 ? -1 : 1;
    element.FadeTimeLeft = TimeToFade - element.FadeTimeLeft;
  }else{
    element.FadeState = element.FadeState == 2 ? -1 : 1;
    element.FadeTimeLeft = TimeToFade;
    setTimeout("animateFade(" + new Date().getTime() + ",'" + eid + "')", 33);
  }
}
function  animateFade(lastTick, eid){  
  var curTick = new Date().getTime();
  var elapsedTicks = curTick - lastTick;
  var element = document.getElementById(eid);
  if(element.FadeTimeLeft <= elapsedTicks){
    element.style.opacity = element.FadeState == 1 ? '1' : '0';
    element.style.filter = 'alpha(opacity = ' + (element.FadeState == 1 ? '100' : '0') + ')';
    element.FadeState = element.FadeState == 1 ? 2 : -2;
	if(element.style.opacity == '0'){
		element.style.display = "none";
	}
    return;
  }
  element.FadeTimeLeft -= elapsedTicks;
  var newOpVal = element.FadeTimeLeft/TimeToFade;
  if(element.FadeState == 1) newOpVal = 1 - newOpVal;
  element.style.opacity = newOpVal;
  element.style.filter = 'alpha(opacity = ' + (newOpVal*100) + ')';
  setTimeout("animateFade(" + curTick + ",'" + eid + "')", 33);
}