function outputPrice(p) {
  var p100 = Math.round(p*100);
  if (p100 - Math.round(p100/100)*100 != 0) {
    return "" + (p100/100);
  } else {
    return "" + (p100/100) + ".00";
  }
}

function updateTotal(itemsNum) {
	var nTotalOrgPrice = 0.00;//document.buy.item0_price.value;
  	var nTotal = 0.00;//document.buy.item0_discount_price.value;
	
	for(var i=0; i <= itemsNum; i++){
		if (document.buy.elements['item'+i].checked) 
		{
		    var orgPrice = parseFloat(document.buy.elements['item'+i+'_price'].value);
		    nTotalOrgPrice += orgPrice;
		    var discountedPrice = parseFloat(document.buy.elements['item'+i+'_discount_price'].value);
		    if (discountedPrice < 0 )
		    {
		        discountedPrice = orgPrice;
		    }
  			nTotal += discountedPrice;
	    }
	}
	
  	document.getElementById('total1').innerHTML  = "<font color=\"#CC0000\">$"+outputPrice(nTotal)+"</font>";    	
	if (nTotalOrgPrice != nTotal) {
		document.getElementById('total2').innerHTML  = "<strike>$" + outputPrice(nTotalOrgPrice)+ "</strike>";
	} else {
		document.getElementById('total2').innerHTML  = "";
	}

  	return true;
}

function BuildBuyURL(itemsNum)
{
    var url = "http://minibrand.handango.com/minibrand/basket.jsp?siteId=1873&bNav=1&continueUrl=http://www.dinarsoft.com/products&authorId=357846&platformId=2";
	var addItem="";
	var code="";
	var haveItems = false;

	for(var i=0; i <= itemsNum; i++){
		if (document.buy.elements['item'+i].checked) 
		{
			haveItems = true;
			if (document.buy.elements['item'+i+'_id'].value.length > 0)
		    	addItem += document.buy.elements['item'+i+'_id'].value+ ((i < itemsNum)? ',' : '');
			if (document.buy.elements['item'+i+'_code'].value.length > 0)
		    	code += document.buy.elements['item'+i+'_code'].value+ ((i < itemsNum)? ',' : '');
	    }
	}

	url += "&addItem=" + addItem + ((code.length > 0)? "&code=" + code : "");
	if (haveItems)
		document.location.href = url;

    return false;
}