var qty_total = 0;
var incvat_total= 0;
var exvat_total= 0;
var ranges = new Array();
var exrange = new Array();
var incrange = new Array();
var savingrange = new Array();
var ssprange = new Array();
var prodcode = new Array();
var desc = new Array();
var prods = new Array();

var qty=new Array;
var inc=new Array;
var ex=new Array;

//var pmcount = 0;
var ranges = new Array;
var exrange = new Array;
var incrange = new Array;
var types = new Array;
var	tqty=0;
var tex=0;
var tinc=0;

function calcmulti(l,k,e,i,c,d) {
// which price do we want
	l=parseInt(l);
	if(l<0)
		l=0;
	if(isNaN(l)) l="";
	d.value=l;
	qty[c]=l;
	nr=0;
	ta=0;
	for(a=0;a<ranges.length;a++) {
		if(l>=ranges[a] && types[a]==2) {
			nr = ranges[a];
			ta=a;
		}
	}
	if(l<1) {
		ta++;
		nr=ranges[ta];
	}
	exvat = exrange[nr];
	incvat = incrange[nr];
	
	calcsingle(l,k,exvat,incvat,c,d,savingrange[nr]);
	d=document.getElementById("Description_"+k);
	if(d!=undefined) {
		e=document.getElementById("desc_"+ta);
		d.innerHTML=e.innerHTML;
		e=document.getElementById("sku_single_"+k);
		if(l==0) {
			d.innerHTML='';
			incvat=0;
			$('pricing_multi').style.backgroundColor="#EEF";
			d.innerHTML="For multiuser licenses enter required quantity";
		} else {
			if((incvat==undefined && l>0)) {
				incvat=0;//incrange[ranges[0]];
				d.innerHTML="Multi user QTY too low. Please enter "+llimit+" or more.";
				$('pricing_multi').style.backgroundColor="#FF8888";
			} else {
				$("pricing_multi").style.backgroundColor="#FFFFFF";
			}
		}
		e.innerHTML=formatCurrency(incvat)+"<br /><br /><div class='pricing_srp'>SRP: "+formatCurrency(ssprange[nr])+"</div>";

	}


}


function calcsingle(l,k,e,i,c,d,s) { 
	l=parseInt(l);
	if(l<0)
		l=0;
	if(isNaN(l)) l="";
	d.value=l;
	qty[c]=l;
	var t = 0;
	var tt=0;
	var saving = 0.91;
	d=document.getElementById("incvat_"+k);
	t=l*i;
	saving = formatCurrency(l*s);
	inc[c]=t;
	tt=formatCurrency(t.toFixed(2));

	//alert(inc);
	if(t!=0) {
		tt+="<br /><br /><div class='pricing_srp' style='font-size: 10px;'>Saving:&nbsp;"+saving+"</div>";
	}
	d.innerHTML=tt;

	d=document.getElementById("exvat_"+k);
	t=l*e;
	ex[c]=t;
	t=formatCurrency(t.toFixed(2));

	//alert(ex);
	d.innerHTML=t;

	qty_total=0;
	ex_total=0.00;
	inc_total=0.00;

	for(a=0;a<pmcount;a++) {
		if(parseInt(qty[a])>0)  {
			qty_total+=parseInt(qty[a]);
		}
		if(parseFloat(ex[a])>0) {
			ex_total+=parseFloat(ex[a]);
		}
		if(parseFloat(inc[a])>0) {
			inc_total+=parseFloat(inc[a]);
		}
	}

	d=document.getElementById("qty_total");
	d.innerHTML=qty_total;

	d=document.getElementById("exvat_total");
	d.innerHTML=formatCurrency(ex_total.toFixed(2));

	d=document.getElementById("incvat_total");

	d.innerHTML=formatCurrency(inc_total.toFixed(2));

}