//
// Browser Detection
//
isMac = (navigator.appVersion.indexOf("Mac")!=-1) ? true : false;
NS4 = (document.layers) ? true : false;
IEmac = ((document.all)&&(isMac)) ? true : false;
IE4plus = (document.all) ? true : false;
IE4 = ((document.all)&&(navigator.appVersion.indexOf("MSIE 4.")!=-1)) ? true : false;
IE5 = ((document.all)&&(navigator.appVersion.indexOf("MSIE 5.")!=-1)) ? true : false;
IE6 = ((document.all)&&(navigator.appVersion.indexOf("MSIE 6.")!=-1)) ? true : false;
ver4 = (NS4 || IE4plus) ? true : false;
NS6 = (!document.layers) && (navigator.userAgent.indexOf('Netscape')!=-1)?true:false;

IE5plus = IE5 || IE6;
IEMajor = 0;

if (IE4plus)
{
	var start = navigator.appVersion.indexOf("MSIE");
	var end = navigator.appVersion.indexOf(".",start);
	IEMajor = parseInt(navigator.appVersion.substring(start+5,end));
	IE5plus = (IEMajor>=5) ? true : false;
}

function chose_selltype(id){

	if(id == 'p'){
		document.getElementById('selling_type_1').checked = false;
		document.getElementById('selling_type_0').checked = false;
	}else{
		document.PostListing.startingBid.value = "";
		if(id == 0 && document.getElementById('selling_type_0').checked == true){
			document.getElementById('selling_type_1').checked = false;
		}else if(id == 1 && document.getElementById('selling_type_1').checked == true){
			document.getElementById('selling_type_0').checked = false;
		}
	}
}

function choose_wantedtype(id){

	var ty=0;
	var radname;
	if(id == 'p'){
		
		if(document.PostListing.selling_type.length == undefined){
			document.PostListing.selling_type.checked = false;
		}else{
			for(ty=0;ty<document.PostListing.selling_type.length;ty++){
				document.PostListing.selling_type[ty].checked = false;
				
			}
		}
	}else if(id != 'WA'){
		
		document.PostListing.startingBid.value = "";
	}
}
function choose_sellingtype(id,field,startbid){

	var ty=0;
	var radname;
	if(id == 'p'){
		
		var fieldlength;

		with(document.PostListing){
			fieldlength = String(field).length;
		}

		for(ty=0;ty<fieldlength;ty++){
			document.getElementById(field+ty).checked = false;
			
		}
	}else if(id != 'WA'){
		
		document.getElementById(startbid).value = "";
	}
}