function fillSubCat3(){ 
 // this function is used to fill the SubCat3 list on load
addOption(document.drop_list.SubCat3,"1", "Sheraton Denver Downtown Hotel");
addOption(document.drop_list.SubCat3,"2", "The Westin Tabor Center");
}


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);
}