function toggleQty(obj)
{
	var targetname = obj.name + 'qty'
	var targetobj = document.getElementById(targetname)
	if(obj.checked == true)
	{
		targetobj.disabled = false
		targetobj.value = 1
		targetobj.className = 'frmqty'
	} else {
		targetobj.disabled = true
		targetobj.value = ''
		targetobj.className = 'frmqty-d'
	}
}

function checkQty(obj)
{
	if(isNaN(obj.value))
	{
		obj.value = '1'
	} else {
		if(Number(obj.value) < 1) obj.value = 1
	}
}