function fillCategory(){ 
 // this function is used to fill the category list on load
addOption(document.drop_list.Category, "Aviation & Airlines Division", "Aviation & Airlines Division", "");
addOption(document.drop_list.Category, "Automotive Division", "Automotive Division", "");
addOption(document.drop_list.Category, "Civil & Electro Mechanical Division", "Civil & Electro Mechanical Division", "");
addOption(document.drop_list.Category, "Communication Division", "Communication Division", "");
addOption(document.drop_list.Category, "Investment Division", "Investment Division", "");
addOption(document.drop_list.Category, "International Division", "International Division", "");
addOption(document.drop_list.Category, "Industrial Division", "Industrial Division", "");
addOption(document.drop_list.Category, "Oil & Gas Division", "Oil & Gas Division", "");
addOption(document.drop_list.Category, "Shipping Division", "Shipping Division", "");
addOption(document.drop_list.Category, "Hotel & Tourism Division", "Hotel & Tourism Division", "");
addOption(document.drop_list.Category, "Trading & Other Division", "Trading & Other Division", "");
}

function SelectSubCat(){
// ON selection of category this function will work
removeAllOptions(document.drop_list.SubCat);
addOption(document.drop_list.SubCat, "", "Please select a company...", "");

if(document.drop_list.Category.value == 'Aviation & Airlines Division'){
addOption(document.drop_list.SubCat,"aviation-gainjet.html", "Gainjet");
addOption(document.drop_list.SubCat,"aviation-kial.html", "Kuwait International Aircraft Leasing Company");
}
if(document.drop_list.Category.value == 'Automotive Division'){
addOption(document.drop_list.SubCat,"automotive-fasac.html", "Fouad Alghanim & Sons Automotive Company W.L.L");
}
if(document.drop_list.Category.value == 'Civil & Electro Mechanical Division'){
addOption(document.drop_list.SubCat,"construction-aigtcc.html", "Alghanim International General Trading and Contracting Company W.L.L");
addOption(document.drop_list.SubCat,"construction-rrec.html", "Al Redab Real Estate Company");
}
if(document.drop_list.Category.value == 'Communication Division'){
addOption(document.drop_list.SubCat,"communication-knetco.html", "Kuwait Network Electronic Technology Company W.L.L");
addOption(document.drop_list.SubCat,"communication-gulf.html", "Gulf Technology Electronics & Systems Company");
addOption(document.drop_list.SubCat,"communication-gce.html", "Gulf Communications & Electronics W.L.L");
}
if(document.drop_list.Category.value == 'Investment Division'){
addOption(document.drop_list.SubCat,"investment-fmtasgtcc.html", "Fouad M.T. Alghanim and Sons General Trading and Contracting Company W.L.L");
}
if(document.drop_list.Category.value == 'International Division'){
addOption(document.drop_list.SubCat,"international-jet.html", "Jet Alliance");
addOption(document.drop_list.SubCat,"international-tube.html", "Compri Tube");
}
if(document.drop_list.Category.value == 'Industrial Division'){
addOption(document.drop_list.SubCat,"industrial-mmc.html", "Al Musaha Al Mushtaraka Company");
addOption(document.drop_list.SubCat,"industrial-uamco.html", "United Aluminium and Metal Coating Company W.L.L");
addOption(document.drop_list.SubCat,"industrial-gi.html", "Al Ghanaem Industries");
addOption(document.drop_list.SubCat,"industrial-gt.html", "Al Ghanim Trimex");
}
if(document.drop_list.Category.value == 'Oil & Gas Division'){
addOption(document.drop_list.SubCat,"oil-eippc.html", "Energy International for Petroleum Projects Company");
addOption(document.drop_list.SubCat,"oil-fk.html", "Fluor Kuwait");
}
if(document.drop_list.Category.value == 'Shipping Division'){
addOption(document.drop_list.SubCat,"shipping-agst.html", "Alghanim Group of Shipping & Transport W.L.L");
}
if(document.drop_list.Category.value == 'Hotel & Tourism Division'){
addOption(document.drop_list.SubCat,"tourism-kch.html", "Kuwait Continental Hotel");
addOption(document.drop_list.SubCat,"tourism-sak.html", "Sama Al Kuwait");
}
if(document.drop_list.Category.value == 'Trading & Other Division'){
addOption(document.drop_list.SubCat,"trading-rgtcc.html", "Riham General Trading & Contracting Company W.L.L");
addOption(document.drop_list.SubCat,"trading-git.html", "Gulf Industrial Technology");
addOption(document.drop_list.SubCat,"trading-fmtas.html", "Fouad M.T. Alghanim Establishment W.L.L");
}

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

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);
}