function changeFormAction(web_root, current_action, next_action, submit_button){

	var forma_kosarica 	= document.getElementById("forma_kosarica");
	var forma_submit	= document.getElementById("forma_submit");

	if( forma_kosarica.action == web_root + current_action ){
		
		forma_kosarica.action 	= web_root + next_action;
		forma_submit.value		= submit_button;
	}
}

function checkInfo(){

	var ime				= document.getElementById("ime").value
	var prezime 			= document.getElementById("prezime").value
	var adresa			= document.getElementById("adresa").value
	var grad 			= document.getElementById("grad").value
	var postanski_broj	= document.getElementById("postanski_broj").value
	var drzava 			= document.getElementById("drzava").value
	var error = new Array()
	submitOK = "true"
	var j
	var i = 0
	var porukaGreska

	if (ime.length < 1){
	
		error[i] = "Ime"
		i = i + 1
		submitOK = "false"
	}
	if (prezime.length < 1){
	
		error[i] = "Prezime"
		i = i + 1
		submitOK = "false"
	}
	if (adresa.length < 1){
	
		error[i] = "Adresa"
		i = i + 1
		submitOK = "false"
	}
	if (grad.length < 1){
	
		error[i] = "Grad"
		i = i + 1
		submitOK = "false"
	}
	if (postanski_broj.length < 1){
	
		error[i] = "Postanski broj"
		i = i + 1
		submitOK = "false"
	}
	if (drzava.length < 1){
	
		error[i] = "Drzava"
		i = i + 1
		submitOK = "false"
	}
	if (submitOK == "false"){
	
		porukaGreska = "Potrebno je popuniti sljedeca polja forme:\n\n"
		
		for(j = 0; j < i; j++){
																	
			porukaGreska += error[j] + "\n"
		}
		alert(porukaGreska)
		return false
	}
}