/* preverjanje vnosnih polj */

function isEmpty(besedilo, msg)
{	
	if (besedilo.value.length == 0 || besedilo.value == 'ime in priimek' || besedilo.value == 'telefon' || besedilo.value == 'predstavitev' || besedilo.value == 'vprašanje' || besedilo.value == 'ime i prezime' || besedilo.value == 'prezentacija' || hex_md5(besedilo.value) == 'ca86678d36d59a11c1ba5d8a957603bd' || besedilo.value == 'mjesto prebivališta')
	{
		alert(msg);
		besedilo.focus();
		besedilo.value = "";
		return false
	} 
	return true
}

function isEmail(besedilo, msg)
{
	if (besedilo.value.search(/^\w+((-\w+)|(\.\w+))*\@[A-Za-z0-9]+((\.|-)[A-Za-z0-9]+)*\.[A-Za-z0-9]+$/) != -1)
		return true;
	else
	{
		alert(msg);
		besedilo.focus();
		besedilo.value = "";
		return false;
	}
}

function changeInputType(
  oldElm, // a reference to the input element
  iType, // value of the type property: 'text' or 'password'
  iValue, // the default value, set to 'password' in the demo
  blankValue, // true if the value should be empty, false otherwise
  noFocus) {  // set to true if the element should not be given focus
  if(!oldElm || !oldElm.parentNode || (iType.length<4) || 
    !document.getElementById || !document.createElement) return;
  var isMSIE=/*@cc_on!@*/false; //http://dean.edwards.name/weblog/2007/03/sniff/
  if(!isMSIE){
    var newElm=document.createElement('input');
    newElm.type=iType;
  } else {
    var newElm=document.createElement('span');
    newElm.innerHTML='<input type="'+iType+'" name="'+oldElm.name+'">';
    newElm=newElm.firstChild;
  }
  var props=['name','id','className','size','tabIndex','accessKey'];
  for(var i=0,l=props.length;i<l;i++){
    if(oldElm[props[i]]) newElm[props[i]]=oldElm[props[i]];
  }
  newElm.onfocus=function(){return function(){
    if(this.hasFocus) return;
    var newElm=changeInputType(this,'password',iValue,
      (this.value.toLowerCase()==iValue.toLowerCase())?true:false);
    if(newElm) newElm.hasFocus=true;
  }}();
  newElm.onblur=function(){return function(){
    if(this.hasFocus)
    if(this.value=='' || (this.value.toLowerCase()==iValue.toLowerCase())) {
      changeInputType(this,'text',iValue,false,true);
    }
  }}();
 // hasFocus is to prevent a loop where onfocus is triggered over and over again
  newElm.hasFocus=false;
  // some browsers need the value set before the element is added to the page
  // while others need it set after
  if(!blankValue) newElm.value=iValue;
  oldElm.parentNode.replaceChild(newElm,oldElm);
  if(!isMSIE && !blankValue) newElm.value=iValue;
  if(!noFocus || typeof(noFocus)=='undefined') {
    window.tempElm=newElm;
    setTimeout("tempElm.hasFocus=true;tempElm.focus();",1);
  }
  return newElm;
}
function ShowHide(divId)
{
	var id = document.getElementById(divId);
	if (id.style.display == "none")
	{
		eval("id.style.display = 'block';");
	}
	else
	{
		eval("id.style.display = 'none';");
	}
}