function plus(itemname)
{
	document.orderform.elements[itemname].value++;
	if(document.orderform.elements[itemname].value>9999) document.orderform.elements[itemname].value=9999;
	raiseorderbutton();
	return(0);
}
function minus(itemname)
{
	document.orderform.elements[itemname].value--;
	if(document.orderform.elements[itemname].value<0) document.orderform.elements[itemname].value=0;
	raiseorderbutton();
	return(0);
}
function hidemenu(layer)
{
	if(document.all[layer].style.display=="none")
		document.all[layer].style.display="block";
		else
			document.all[layer].style.display="none";
}
function raiseorderbutton()
{
	//position:fixed; bottom:0px; left:0px; height:80px
	field=document.getElementById("orderbutton").style;
	field.position="fixed";
	field.bottom="0px";
	field.left="0px";
	return(0);
}