function addOne(ob){
    var mvalue = $(ob).val();
    mvalue = Number(mvalue) + 1;
    if (isNaN(mvalue)){
        mvalue = 1;
    }
    $(ob).val(mvalue);
}

function addtobasket(id, qty, doredir)
{
var redirect;

if(qty== 0) {qty = 1}
  if(doredir == 'true')
    {
	redirect = "?addproducts=" + id + "&q" + id + "=" + qty + "&redirecttocart=true";
    }else{
	redirect ="?addproducts=" + id + "&q" + id + "=" + qty;
    }

document.location.href=redirect;
}