function checkAllAccount()
{
	if(document.getElementById('check_all_account').value=='Select All')
	{
		var element=document.account_list.elements;
		for(var i=0;i<element.length;i++)
		{
			if(element[i].name.indexOf('account')!=-1)
				element[i].checked='checked';
		}
		document.getElementById('check_all_account').value='Deselect All'
	}
	else
	{
		var element=document.account_list.elements;
		for(var i=0;i<element.length;i++)
		{
			if(element[i].name.indexOf('account')!=-1)
				element[i].checked=false;
		}
		document.getElementById('check_all_account').value='Select All'
	}
}






function deleteAccount()
{
	var postr='';
	var element=document.account_list.elements;
	for(var i=0;i<element.length;i++)
		{
			if(element[i].name.indexOf('account')!=-1&&element[i].checked)
			{
				postr+='account_id'+i+'='+element[i].value;
				if(i!=element.length-1)
				postr+='&';
			}
		}
	if(postr!=''){
	if(confirm('Are you sure to delete these account types?'))
	{
		callsyn('lib.syn/account_types.php?start=0',postr+'&action=del','adminlogin_content',false);
	}}
	else alert('No account type selected')
}

function membership(cost)
{
	
	if(cost!='0')
	{
	document.getElementById('membership_cost').value=cost;	
	document.getElementById('payment').style.display="block";
	}
	else
	{
		document.getElementById('payment').style.display="none";
	}
	
}