function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		home_page_over = newImage("images/home-page-over.gif");
		about_us_over = newImage("images/about-us-over.gif");
		portfolio_over = newImage("images/portfolio-over.gif");
		contacts_over = newImage("images/contacts-over.gif");
		preloadFlag = true;
	}
}

function confirm_save()
{
var r=confirm("Do you want to make the change?");
if (r==true)
  {
  return true;
  }
else
  {
  return false;
  }
}

function validate_email(field,alerttxt)
{
with (field)
  {
  apos=value.indexOf("@");
  dotpos=value.lastIndexOf(".");
  if (apos<1||dotpos-apos<2)
    {alert(alerttxt);return false;}
  else {return true;}
  }
}

function validate_Required(field,alerttxt)
{
with (field)
  {
  if (value==null||value=="")
    {
    alert(alerttxt);return false;
    }
  else
    {
    return true;
    }
  }
}

  function validate_quick_quote(thisform)
  {
  with (thisform)
  {
  if (validate_Required(p_name,"Name is Required!")==false)
    {p_name.focus();return false;}    
	if (validate_Required(phone,"Phone Number is Required!")==false)
    {phone.focus();return false;}  
  }
  }