function check_pretplata (ln)
{
	if (document.pretplata.ime.value == "")
	{
		if (ln == "hr")
		{
			alert("Molimo Vas upišite ime.");
		}
		else
		{
			alert("Please write your name.");
		}
  		document.pretplata.ime.focus();
  		return false;
 	}
	
	if (document.pretplata.adresa.value == "")
	{
		if (ln == "hr")
		{
			alert("Molimo Vas upišite Vašu adresu.");
		}
		else
		{
			alert("Please write your address.");
		}
  		document.pretplata.adresa.focus();
  		return false;
 	}
	
	if (document.getElementById("email").value == "")
	{
		if (ln == "hr")
		{
			alert("Molimo Vas upišite e-mail adresu.");
		}
		else
		{
			alert("Please write your e-mail address.");
		}
		document.getElementById("email").focus();
		return false;
	}
	else
	{
		em=document.getElementById("email").value;
		em_p=em.split("@");
		if (em_p.length==2 && em_p[0]!="" && em_p[1]!="")
		{
			em_r=em_p[1].split(".");
			if (em_r.length>=2 && em_r[0]!="" && em_r[1]!="")
			{
			//E-mail OK
			}
			else
			{
				if (ln == "hr")
				{
					alert("Molimo Vas upišite ispravnu e-mail adresu.");
				}
				else
				{
					alert("Please write your correct e-mail address.");
				}
			return false;
			}

		}
		else
		{
			if (ln == "hr")
			{
				alert("Molimo Vas upišite ispravnu e-mail adresu.");
			}
			else
			{
				alert("Please write your correct e-mail address.");
			}
			return false;
		}
	}
}

function sbt_trazi (ln)
{
	if (document.trazilica.trazi_polje.value == "")
	{
		if (ln == "hr")
		{
			alert("Molimo Vas upišite traženi pojam.");
		}
		else
		{
			alert("Please enter search query.");
		}
  		document.trazilica.trazi_polje.focus();
  		return false;
 	}
 	else 
 	{
		document.trazilica.submit();
	}
}


//ispravljanje datuma g -> id dropdowna sa godinom, m -> id mjeseca, d -> id dana
function ispraviDatum(g, m, d) {
	var g = document.getElementById(g);
	var m = document.getElementById(m);
	var d = document.getElementById(d);
  if (m.value=="2") {
  if (parseInt(g.value)%4==0) {
   if (parseInt(d.value)>29) {
    d.value="29"
   }
  }else {
   if (parseInt(d.value)>28) {
    d.value="28"
   }
  }
 }
 if ((m.value=="4") || (m.value=="6") || (m.value=="9") || (m.value=="11")) {
  if (d.value=="31") {
   d.value="30"
  }
 }
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function MM_showHideLayers() { //v6.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
}