function MainPageBookmark(title,url) 
{

if (window.sidebar) { 
window.sidebar.addPanel(title, url,"");
} 
else if( window.external ) 
         {
	 window.external.AddFavorite( url, title); 
	} 
else if(window.opera && window.print) { return true; }

}

//global variables that can be used by ALL the function son this page.
var inputs;
var imgFalse = 'images/false.png';
var imgTrue = 'images/true.png';

//this function runs when the page is loaded, put all your other onload stuff in here too.
function init() {
    replaceChecks();
}

function replaceChecks() {
    
    //get all the input fields on the page
    inputs = document.getElementsByTagName('input');

    //cycle trough the input fields
    for(var i=0; i < inputs.length; i++) {

        //check if the input is a checkbox
        if(inputs[i].getAttribute('type') == 'checkbox') {
            
            //create a new image
            var img = document.createElement('img');
            
            //check if the checkbox is checked
            if(inputs[i].checked) {
                img.src = imgTrue;
            } else {
                img.src = imgFalse;
            }

            //set image ID and onclick action
            img.id = 'checkImage'+i;
            //set image
            img.onclick = new Function('checkChange('+i+')');
            //place image in front of the checkbox
            inputs[i].parentNode.insertBefore(img, inputs[i]);
            
            //hide the checkbox
            inputs[i].style.display='none';
        }
    }
}

//change the checkbox status and the replacement image
function checkChange(i) {

    if(inputs[i].checked) {
        inputs[i].checked = '';
        document.getElementById('checkImage'+i).src=imgFalse;
    } else {
        inputs[i].checked = 'checked';
        document.getElementById('checkImage'+i).src=imgTrue;
    }
}

window.onload = init;


function invalid() {
if (document.getElementById("email").S1.value.length < 2) {
alert("Zaboravili ste upisati poruku!");
return false;
}
if (document.getElementById("email").T1.value.length < 3) {
alert("Molimo, upišite barem Vaše ime!");
return false;
}
if ((document.getElementById("email").T2.value == "") || (document.getElementById("email").T2.value.length > 0 && (document.getElementById("email").T2.value.indexOf("@",0) == - 1 || document.getElementById("email").T2.value.indexOf(".",0) == - 1)))
 {
alert("Molimo, upišite ispravnu email adresu!");
return false;
}
if ((document.getElementById("email").pr.value == "") || (document.getElementById("email").pr.value.length > 0 && (document.getElementById("email").pr.value.indexOf("@",0) == - 1 || document.getElementById("email").pr.value.indexOf(".",0) == - 1)))
{
alert("Molimo, upišite ispravnu email adresu Vašeg prijatelja!");
return false;
}
return true;
}

function invalido() {
if ((document.getElementById("obrada").Ime.value.length < 2) || (document.getElementById("obrada").Prezime.value.length < 2) || (document.getElementById("obrada").Adresa.value.length < 2) || (document.getElementById("obrada").Mjesto.value.length < 2)) {
alert("Molimo, obavezno ispuniti polja označena zvjezdicom!");
return false;
}
if ((document.getElementById("obrada").Email.value == "") || (document.getElementById("obrada").Email.value.length > 0 && (document.getElementById("obrada").Email.value.indexOf("@",0) == - 1 || document.getElementById("obrada").Email.value.indexOf(".",0) == - 1)))
 {
alert("Molimo, upišite ispravnu email adresu!");
return false;
}
return true;
}


function pop(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);}