function fillCategory() { 
 // this function is used to fill the ad list on load
	addOption(document.hotelform.ad, "1", "1", "");
	addOption(document.hotelform.ad, "2", "2", "");
	addOption(document.hotelform.ad, "3", "3", "");
	addOption(document.hotelform.ad, "4", "4", "");
	addOption(document.hotelform.ad, "5", "5", "");
	addOption(document.hotelform.ad, "6", "6", "");
	addOption(document.hotelform.cd, "0", "0", "");
	addOption(document.hotelform.cd, "1", "1", "");
	addOption(document.hotelform.cd, "2", "2", "");
	addOption(document.hotelform.cd, "3", "3", "");
	addOption(document.hotelform.cd, "4", "4", "");
	addOption(document.hotelform.cd, "5", "5", "");
}

function SelectAdult(){
// ON selection of ad this function will work

removeAllOptions(document.hotelform.cd);

if(document.hotelform.ad.value == '1')
	{
	addOption(document.hotelform.cd, "0", "0", "");		
	addOption(document.hotelform.cd,"1", "1");
	addOption(document.hotelform.cd,"2", "2");
	addOption(document.hotelform.cd,"3", "3");
	addOption(document.hotelform.cd,"4", "4");
	addOption(document.hotelform.cd,"5", "5");
	}
if(document.hotelform.ad.value == '2')
	{
	addOption(document.hotelform.cd, "0", "0", "");		
	addOption(document.hotelform.cd,"1", "1");
	addOption(document.hotelform.cd,"2", "2");
	addOption(document.hotelform.cd,"3", "3");
	addOption(document.hotelform.cd,"4", "4");
	}
if(document.hotelform.ad.value == '3')
	{
	addOption(document.hotelform.cd, "0", "0", "");		
	addOption(document.hotelform.cd,"1", "1");
	addOption(document.hotelform.cd,"2", "2");
	addOption(document.hotelform.cd,"3", "3");
	}
if(document.hotelform.ad.value == '4')
	{
	addOption(document.hotelform.cd, "0", "0", "");		
	addOption(document.hotelform.cd,"1", "1");
	addOption(document.hotelform.cd,"2", "2");
	}
if(document.hotelform.ad.value == '5')
	{
	addOption(document.hotelform.cd, "0", "0", "");		
	addOption(document.hotelform.cd,"1", "1");
	}
if(document.hotelform.ad.value == '6')
	{
	addOption(document.hotelform.cd, "0", "0", "");		
	addOption(document.hotelform.cd,"1", "1");
	}
	
}
////////////////// 

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);
	}