window.onload = initialize;

function initialize()
{
	SetButtonsBehavior();
	MM_preloadImages('images/help_on.gif','images/search_on.gif','images/view_cart_on.gif','images/checkout_on.gif','images/contact_on.gif','images/about_on.gif','images/blog_on.gif')
}


function ToggleDisplay(element)
{
   var display = $(element).style.display;
   $(element).style.display = (display == 'block') ? 'none' : 'block';
}

function SetButtonsBehavior() 
{    
	if (!document.getElementsByTagName)
		return; 
	
	var buttons = document.getElementsByTagName("input"); 

	for (var i=0; i<buttons.length; i++)
	{ 	    
		var button = buttons[i]; 
		if (button.getAttribute("className") == "submit" || button.getAttribute("class") == "submit") 
		{
			button.onmouseover = function() { this.className = "submit_over"; } 
			button.onmouseout = function() { this.className = "submit"; } 
		}	
	} 	
}


/* Dreamweaver Script */
function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

/*
==================================================================
Quick getElement reference
==================================================================
*/
function $() 
{
	var elements = new Array();
	
	for (var i = 0; i < arguments.length; i++)
	{
		var element = arguments[i];
		if (typeof element == 'string')
			element = document.getElementById(element);
			
		if (arguments.length == 1)
			return element;
			
		elements.push(element);
	}
	
	return elements;
}

/*
==================================================================
Cancels event bubbling. Only tested on Firefox 1.5.0.4 and IE6SP1
==================================================================
*/
function CancelEvent(e)
{
    e.cancelBubble = true;
    e.returnValue = false;
    if (e.preventDefault) e.preventDefault();
}

/*
==================================================================
Finds the X-position of an element positioned relatively on screen
==================================================================
*/
function FindPosX(obj)
{
	var curleft = 0;
	
	if (obj.offsetParent) 
	{
		while (obj.offsetParent) 
		{
			curleft += obj.offsetLeft
			obj = obj.offsetParent;
		}
	}
	else if (obj.x)
		curleft += obj.x;
		
	return curleft;
}

/*
==================================================================
Finds the X-position of an element positioned relatively on screen
==================================================================
*/
function FindPosY(obj) 
{
	var curtop = 0;
	
	if (obj.offsetParent) 
	{
		while (obj.offsetParent) 
		{
			curtop += obj.offsetTop
			obj = obj.offsetParent;
		}
	}
	else if (obj.y)
		curtop += obj.y;
		
	return curtop;
}


/*
==================================================================
Checks if value is an integer. e.g. (100, -45, +1)
==================================================================
*/
function IsInteger(value)
{
     var result = /^[-\+]{0,1}\d+$/.test(value);
     return result;
}


/*
==================================================================
Checks if value is an unsinged integer. e.g. (100, 45, 1)
==================================================================
*/
function IsUInteger(value)
{
     var result = /^\d+$/.test(value);
     return result;
}

/*
==================================================================
Checks if value is a number. e.g. (100, 45.0, 0.11, -10, -0.51)
==================================================================
*/
function IsNumber(value)
{
     var result = /^\d*[\.\d]{0,1}\d+$/.test(value);
     return result;
}

/*
==================================================================
Checks if value is currency. e.g. (10.2, .2, .24, 0.24, 45)
==================================================================
*/
function IsCurrency(value)
{
     var result = /^\d*(\.\d{1,2}){0,1}$/.test(value);
     return result;
}

/*
==================================================================
LTrim(string) : Returns a copy of a string without leading spaces.
==================================================================
*/
function LTrim(str)
/*
   PURPOSE: Remove leading blanks from our string.
   IN: str - the string we want to LTrim
*/
{
   var whitespace = new String(" \t\n\r");

   var s = new String(str);

   if (whitespace.indexOf(s.charAt(0)) != -1) {
      // We have a string with leading blank(s)...

      var j=0, i = s.length;

      // Iterate from the far left of string until we
      // don't have any more whitespace...
      while (j < i && whitespace.indexOf(s.charAt(j)) != -1)
         j++;

      // Get the substring from the first non-whitespace
      // character to the end of the string...
      s = s.substring(j, i);
   }
   return s;
}

/*
==================================================================
RTrim(string) : Returns a copy of a string without trailing spaces.
==================================================================
*/
function RTrim(str)
/*
   PURPOSE: Remove trailing blanks from our string.
   IN: str - the string we want to RTrim

*/
{
   // We don't want to trip JUST spaces, but also tabs,
   // line feeds, etc.  Add anything else you want to
   // "trim" here in Whitespace
   var whitespace = new String(" \t\n\r");

   var s = new String(str);

   if (whitespace.indexOf(s.charAt(s.length-1)) != -1) {
      // We have a string with trailing blank(s)...

      var i = s.length - 1;       // Get length of string

      // Iterate from the far right of string until we
      // don't have any more whitespace...
      while (i >= 0 && whitespace.indexOf(s.charAt(i)) != -1)
         i--;


      // Get the substring from the front of the string to
      // where the last non-whitespace character is...
      s = s.substring(0, i+1);
   }

   return s;
}

/*
=============================================================
Trim(string) : Returns a copy of a string without leading or trailing spaces
=============================================================
*/
function Trim(str)
/*
   PURPOSE: Remove trailing and leading blanks from our string.
   IN: str - the string we want to Trim

   RETVAL: A Trimmed string!
*/
{
   return RTrim(LTrim(str));
}