function summer() {
	var obj = document.forms.order;
	i = obj.amount.value;
	i = i * 130;
	i = i + ' грн';
	document.getElementById("cnt").innerHTML = i;
}

function MakeUp(id)
{
	var input = document.getElementById('num_'+id);
	var new_value = parseInt(input.value.replace(/(\D+)/,''))+1;
	new_value = new_value > 100? 100 : new_value;
	input.value = new_value;
	summer();
	return false;
}

function MakeDown(id)
{
	var input = document.getElementById('num_'+id);
	var new_value = parseInt(input.value.replace(/(\D+)/,''));
	new_value = new_value > 100? 100 : new_value;
	--new_value;
	new_value = new_value < 0? 0 : new_value;
	input.value = new_value;
	summer();
	return false;
}
function checkme(input)
{
	summer();
	var new_value = parseInt(input.value.replace(/(\D+)/,''));
	if(isNaN(new_value)) new_value = 0;
	if(new_value >= 0 && new_value <= 100) { return false; }
	new_value = new_value > 100? 100 : new_value;
	new_value = new_value < 0? 0 : new_value;
	input.value = new_value;
	return false;
}
function preloadAll()
{
	preloadImg('/img/topmenu1_act.gif');
	preloadImg('/img/topmenu2_act.gif');
	preloadImg('/img/topmenu3_act.gif');
	preloadImg('/img/topmenu4_act.gif');
	preloadImg('/img/leftmenubg2.gif');
}
function preloadImg(addr)
{
	var obj;
	obj = new Image();
	obj.src = addr;
}