function fillCategory(){ 
addOption(document.drop_list.Category, "Argentina", "Argentina", "");
addOption(document.drop_list.Category, "Brazil", "Brazil", "");
addOption(document.drop_list.Category, "CostaRica", "CostaRica", "");
addOption(document.drop_list.Category, "Cuba", "Cuba", "");
addOption(document.drop_list.Category, "India", "India", "");
addOption(document.drop_list.Category, "Kenya", "Kenya", "");
addOption(document.drop_list.Category, "Maldives", "Maldives", "");
addOption(document.drop_list.Category, "Nepal", "Nepal", "");
addOption(document.drop_list.Category, "UnitedArabEmirates", "UnitedArabEmirates", "");
addOption(document.drop_list.Category, "UnitedStates", "UnitedStates", "");
}

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

removeAllOptions(document.drop_list.SubCat);
addOption(document.drop_list.SubCat, "", "City", "");


if(document.drop_list.Category.value == 'Argentina'){
addOption(document.drop_list.SubCat,"Buenos Aires", "Buenos Aires");
}


if(document.drop_list.Category.value == 'Brazil'){
addOption(document.drop_list.SubCat,"Rio De Janeiro", "Rio De Janeiro");
}


if(document.drop_list.Category.value == 'CostaRica'){
addOption(document.drop_list.SubCat,"Guanacaste", "Guanacaste");
}

if(document.drop_list.Category.value == 'Cuba'){
addOption(document.drop_list.SubCat,"Havana", "Havana");
}

if(document.drop_list.Category.value == 'India'){
addOption(document.drop_list.SubCat,"Port Blair.", "Port Blair.");
addOption(document.drop_list.SubCat,"Pune", "Pune");
}

if(document.drop_list.Category.value == 'Kenya'){
addOption(document.drop_list.SubCat,"Nairobi", "Nairobi");
addOption(document.drop_list.SubCat,"Mombasa", "Mombasa");
}

if(document.drop_list.Category.value == 'Maldives'){
addOption(document.drop_list.SubCat,"Maldives Islands", "Maldives Islands");
}

if(document.drop_list.Category.value == 'Nepal'){
addOption(document.drop_list.SubCat,"Jumla", "Jumla");
addOption(document.drop_list.SubCat,"LoManthang", "LoManthang");
addOption(document.drop_list.SubCat,"Pokahra", "Pokahra", "");
}



if(document.drop_list.Category.value == 'UnitedArabEmirates'){
addOption(document.drop_list.SubCat,"Dubai", "Dubai");
}



if(document.drop_list.Category.value == 'UnitedStates'){
addOption(document.drop_list.SubCat,"Hawaii", "Hawaii");

}

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

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);
}