//define form name:
var strF = "document.forms['form1']";

//--------------------------
// non-empty textbox
//--------------------------
function isEmpty(field, strErrMsg) {	
	var error = "";
	var val = eval(strF+".elements['"+field+"'].value");	 //for firefox + all !
	
  if ( val == 0) {
     error = strErrMsg+"\n"
  }
return error;	  
}

//-------------------------
//checkRadioButton:
//-------------------------
function isChecked_radio(field, strErrMsg) {	
	var error = "";
	var radio=eval(strF + "." + field);
	//alert(strF + "." + field);
	//alert(radio);
	var radio_choice = false;
	var i;
	for (i = 0; i < radio.length; i++)
	{
		if (radio[i].checked)
			radio_choice = true; 
	}
	//return radio_choice;
	
	  if ( radio_choice == false) {
     error = strErrMsg+"\n"
  }
return error;	
}

//-------------------------------
// checkWholeForm
//--------------------------------
function checkNarudzbenica() {	
   var errMsg = "";   
   
	//radio
	 errMsg += isChecked_radio("majice", "* Izaberite tip majce.");	
	 errMsg += isChecked_radio("velicina", "* Izaberite velicinu majce.");	
	 errMsg += isChecked_radio("boje", "* Izaberite boju majce.\n");	
	
	//text fields:	
    errMsg += isEmpty('ime', '* Unesite vase ime i prezime');	
	errMsg += isEmpty('ulica_i_broj', '* Unesite vasu ulicu i broj');	
	errMsg += isEmpty('mesto', '* Unesite vase mesto boravka');	
	errMsg += isEmpty('postanski_broj', '* Unesite vas postanski broj');	
	errMsg += isEmpty('telefon', '* Unesite vas broj telefona');	
	errMsg += isEmpty('email', '* Unesite vas e-mail');		
	
//end:    
    if (errMsg != "") {
       alert(errMsg);
       return false;
    }else{			
		eval(strF+".submit()");
	}
}

//-------------------------------
// checkDvdnarudzbenicu
//--------------------------------
function checkDvdNarudzbenica() {	
   var errMsg = "";   
   
	//radio
	 errMsg += isChecked_radio("dvd_izdanje", "* Izaberite DVD izdanje.");	
	 errMsg += isEmpty("kolicina", "* Izaberite kolicinu DVD-ova.");		
	
	//text fields:	
    errMsg += isEmpty('ime', '* Unesite vase ime i prezime');	
	errMsg += isEmpty('ulica_i_broj', '* Unesite vasu ulicu i broj');	
	errMsg += isEmpty('mesto', '* Unesite vase mesto boravka');	
	errMsg += isEmpty('postanski_broj', '* Unesite vas postanski broj');	
	errMsg += isEmpty('telefon', '* Unesite vas broj telefona');	
	errMsg += isEmpty('email', '* Unesite vas e-mail');		
	
//end:    
    if (errMsg != "") {
       alert(errMsg);
       return false;
    }else{			
		eval(strF+".submit()");
	}
}
//-------------------------------
// checkDnevniknarudzbenicu
//--------------------------------
function checkDnevnikNarudzbenica() {	
   var errMsg = "";   
   
	//radio
	// errMsg += isChecked_radio("dnevnik_treninga", "* Izaberite Publikaciju.");	
	// errMsg += isEmpty("kolicina", "* Izaberite kolicinu Dnevnika.");		
	
	//text fields:	
    errMsg += isEmpty('ime', '* Unesite vase ime i prezime');	
	errMsg += isEmpty('ulica_i_broj', '* Unesite vasu ulicu i broj');	
	errMsg += isEmpty('mesto', '* Unesite vase mesto boravka');	
	errMsg += isEmpty('postanski_broj', '* Unesite vas postanski broj');	
	errMsg += isEmpty('telefon', '* Unesite vas broj telefona');	
	errMsg += isEmpty('email', '* Unesite vas e-mail');		
	
//end:    
    if (errMsg != "") {
       alert(errMsg);
       return false;
    }else{			
		eval(strF+".submit()");
	}
}
function openPopUp_Url_W_H(url,W,H,SCROLLBAR){
	window.open(url,'', 'toolbar=0,scrollbars='+SCROLLBAR+',location=0,statusbar=0,menubar=0,resizable=0,width='+W+',height='+H);
}

function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}

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_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;
}

MM_reloadPage(true);

function submitform(forma) {
    if  (forma.email_addr.value=='') {
  		alert("Neispravna email adresa.");
		return false;
		}
	else {
  		if ( ((forma.email_addr.value.indexOf('@',1))==-1)||(forma.email_addr.value.indexOf('.',1))==-1 ) {
  			alert("Neispravna email adresa.");
			return false;
			}
  		else {
		return true;
		}
	}
}

function changeImgAltAndTitle(elementName,altTileText){
	document.getElementById(elementName).getElementsByTagName('img')[0].alt = altTileText;
	document.getElementById(elementName).getElementsByTagName('img')[0].title = altTileText;
}

function openPopUp_Url_W_H(url,W,H,SCROLLBAR){
	window.open(url,'', 'toolbar=0,scrollbars='+SCROLLBAR+',location=0,statusbar=0,menubar=0,resizable=0,width='+W+',height='+H);
}