function DeleteList() {
	document.getElementById("ilce").length = 0
}

function AlreadyAtList(element) {

	y =document.getElementById("ilce")
	for (i = 0; i < y.length; i++) {
		value = y.options[i].value;
		if (element == value) return true;
	}
	return false;
}

function AddToList() {
	x = document.getElementById("select1")
	y = document.getElementById("ilce")
	if (x.selectedIndex==-1)
	return false
	if (AlreadyAtList(x.options[x.selectedIndex].value))
	return false
	y.length++
	y.options[y.length-1].value = x.options[x.selectedIndex].value
	y.options[y.length-1].text = x.options[x.selectedIndex].text
}

function DeleteFromList() {
	y = document.getElementById("ilce");
	if (y.selectedIndex==-1)
	return false
	if(y.length==1){
		DeleteList()
		return true
	}
	else if (y.selectedIndex==y.length-1){
		y.length--
		return true
	}

	else if (y.selectedIndex==-1){
		return false
	}
	else {
		for (i=y.selectedIndex;i<y.length-1;i++)
		y.options[i] = y.options[i+1]
		return true
	}


}

function AddAll() {
	x = document.getElementById("select1")
	y = document.getElementById("ilce");
	DeleteList()
	for (i=0; i<x.length; i++) {
		y.length = x.length
		y.options[i].value = x.options[i].value
		y.options[i].text = x.options[i].text
	}
}


function PostTown() {
	var y = document.getElementById("ilce")
	var hdn_town = document.getElementById("hdn_town")
	var temp = ""
	for (i=0;i<y.length;i++)
	temp = temp + y.options[i].value + ","
	if (hdn_town.value = temp)
	return true
	else
	return false
}