function fillCategory(){ 
 // this function is used to fill the category list on load
addOption(document.drop_list.location, "2", "Valley Forge Beef & Ale (Audubon) 9:00pm", "");
}

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

removeAllOptions(document.drop_list.SubCat);
addOption(document.drop_list.SubCat, "showdate", "Select Date", "");

if(document.drop_list.location.value == '2'){
addOption(document.drop_list.SubCat,"2010-03-13", "March 13");
addOption(document.drop_list.SubCat,"2010-03-20", "March 20");
addOption(document.drop_list.SubCat,"2010-03-27", "March 27");
addOption(document.drop_list.SubCat,"2010-04-03", "April 3");
addOption(document.drop_list.SubCat,"2010-04-10", "April 10");
addOption(document.drop_list.SubCat,"2010-04-17", "April 17");
addOption(document.drop_list.SubCat,"2010-04-24", "April 24");
addOption(document.drop_list.SubCat,"2010-05-01", "May 1");
addOption(document.drop_list.SubCat,"2010-05-08", "May 8");
addOption(document.drop_list.SubCat,"2010-05-15", "May 15");
addOption(document.drop_list.SubCat,"2010-05-22", "May 22");
addOption(document.drop_list.SubCat,"2010-05-29", "May 29");
}
if(document.drop_list.location.value == '3'){
}

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

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);
}