function clientPercent(pbx, client)  {
  var percent;

  percent = 10 - pbx.options[pbx.selectedIndex].value;
  client.value = percent;
}

function showNav(nav)  {
  if(nav == "aboutUs")  {
    showArea("aboutUsNav");
    hideArea("phoneNav");
    hideArea("salesNav");
    hideArea("supportNav");
  }
  else if(nav == "sales")  {
    showArea("salesNav");
    hideArea("phoneNav");
    hideArea("aboutUsNav");
    hideArea("supportNav");
  }
  else if(nav == "support")  {
    showArea("supportNav");
    hideArea("phoneNav");
    hideArea("aboutUsNav");
    hideArea("salesNav");
  }
  else  {
    showArea("phoneNav");
    hideArea("aboutUsNav");
    hideArea("salesNav");
    hideArea("supportNav");
  }
}


function cartColorOption(enable, colorOption)  {
  if(enable)  {
    colorOption.disabled = false;
  }
  else  {
    colorOption.value = "";
    colorOption.disabled = true;
  }
}


function cartFacePlateOption(enable, facePlateOption)  {
  if(enable)  {
    facePlateOption.disabled = false;
  }
  else  {
    facePlateOption.disabled = true;
  }
}

function cartSubmit()  {
  var color;
  var colorOption;
  var numCart = document.getElementById("numCart");

  for(i = 0; i < numCart.value; i++)  {
    colorOption = document.getElementById("colorOption"+i);
    if(colorOption.value != "")  {
      color = document.getElementById("color"+i+"_3");
      color.value = colorOption.value;
    }
  }
}

function showDiscountOffer(e, id)  {
  var posx = 0;
  var posy = 0;

  //get current mouse coordinates
  if (!e) var e = window.event;
  if (e.pageX || e.pageY) 	{
    posx = e.pageX;
    posy = e.pageY;
 }
 else if (e.clientX || e.clientY) 	{
   posx = e.clientX + document.body.scrollLeft + document.documentElement.scrollLeft;
   posy = e.clientY + document.body.scrollTop + document.documentElement.scrollTop;
 }

  //get div object
  obj = document.getElementById(id);

  //change css class reference
  obj.className = "discountOffer";

  //set coordinates of div
  obj.style.left = (posx) + "px";
  obj.style.top = (posy) + "px";
  //alert("obj.style.left = " + obj.style.left + "  obj.style.top = " + obj.style.top);
}


function hideDiscountOffer(e, id)  {
  obj = document.getElementById(id);
  obj.className = "hide";
}

function showMyBittel(over)  {
  if(over)  {
    showArea("myBittelOver");
    hideArea("myBittel");
  }
  else  {
    showArea("myBittel");
    hideArea("myBittelOver");
  }
}

function showCommercialCredit(over)  {
  if(over)  {
    showArea("commercialOver");
    hideArea("commercial");
  }
  else  {
    showArea("commercial");
    hideArea("commercialOver");
  }
}

function showNeedPhone(over)  {
  if(over)  {
    showArea("needPhoneOver");
    hideArea("needPhone");
  }
  else  {
    showArea("needPhone");
    hideArea("needPhoneOver");
  }
}