function fillCategory(){ 
 // this function is used to fill the category list on load
addOption(document.drop_list.Country, "Turkey", "Turkey", "");
addOption(document.drop_list.Country, "North Cyprus", "North Cyprus", "");

}
function SelectSubCat(){
// ON selection of category this function will work

removeAllOptions(document.drop_list.City);
addOption(document.drop_list.City, "0", "All", "");

if(document.drop_list.Country.value == 'Turkey'){

addOption(document.drop_list.City,"Alanya", "Alanya");
addOption(document.drop_list.City,"Antalya", "Antalya");
addOption(document.drop_list.City,"Belek", "Belek");
addOption(document.drop_list.City,"Bodrum", "Bodrum");
addOption(document.drop_list.City,"Cappadocia", "Cappadocia");
addOption(document.drop_list.City,"Dalyan", "Dalyan");
addOption(document.drop_list.City,"Fethiye", "Fethiye");
addOption(document.drop_list.City,"Gocek", "Gocek");
addOption(document.drop_list.City,"Hisaronu ", "Hisaronu");
addOption(document.drop_list.City,"Istanbul", "Istanbul");
addOption(document.drop_list.City,"Izmir", "Izmir");
addOption(document.drop_list.City,"Kalkan", "Kalkan");
addOption(document.drop_list.City,"Kas", "Kas");
addOption(document.drop_list.City,"Kekova", "Kekova");
addOption(document.drop_list.City,"Marmaris", "Marmaris");
addOption(document.drop_list.City,"Side", "Side");
}
if(document.drop_list.Country.value == 'North Cyprus'){
addOption(document.drop_list.City,"Kyrenia", "Kyrenia");
addOption(document.drop_list.City,"Famagusta", "Famagusta");

}

}
////////////////// 

function removeAllOptions(selectbox)
{
	var i;
	for(i=selectbox.options.length-1;i>=0;i--)
	{
		//selectbox.options.remove(i);
		selectbox.remove(i);
	}
}


function addOption(selectbox, value, text )
{
	var optn = document.createElement("OPTION");
	optn.text = text;
	optn.value = value;

	selectbox.options.add(optn);
}