/* Initialisation for general pages */

addLoadListener(initRollovers);

/*  for sending key  */

function tabOnEnter (field, evt) {
  
   var keyCode = document.layers ? evt.which : document.all ? evt.keyCode : evt.keyCode;
   if (keyCode != 13 && keyCode !=9)
     return true;
   else {
     var el=getNextElement(field);
     if (el.type!='hidden')
        el.focus(); 
     else
        while (el.type=='hidden')
           el=getNextElement(el); 
        el.focus(); 
     return false;
   }
 }

function getNextElement (field) {
   var form = field.form;
   for (var e = 0; e < form.elements.length; e++) { 
     if (field == form.elements[e])
         break;
   }
   return form.elements[++e % form.elements.length];
 }
     
/*  finish of sending key */


/* Page steup functions */

function initRollovers() {
	if (!document.getElementById) return
	
	var aPreLoad = new Array();
	var tagsToConsider = new Array("img", "input");
	var sTempSrc;
	
	for (var j = 0; j < tagsToConsider.length; j++) {
		var aImages = document.getElementsByTagName(tagsToConsider[j]);
		
	//var aImages = document.getElementsByTagName('img');
	//var aFormInputs = document.getElementsByTagName('input');

		for (var i = 0; i < aImages.length; i++) {
		    var parentClass = "";
		    if (aImages[i].parentNode) parentClass = aImages[i].parentNode.className;		
			if (aImages[i].className == 'imgover' || parentClass == "imgover") {
				var src = aImages[i].getAttribute('src');
				var ftype = src.substring(src.lastIndexOf('.'), src.length);
				var hsrc = src.replace(ftype, '_over'+ftype);
	
				aImages[i].setAttribute('hsrc', hsrc);
				
				aPreLoad[i] = new Image();
				aPreLoad[i].src = hsrc;
				
				aImages[i].onmouseover = function() {
					sTempSrc = this.getAttribute('src');
					this.setAttribute('src', this.getAttribute('hsrc'));
				}	
				
				aImages[i].onmouseout = function() {
					if (!sTempSrc) sTempSrc = this.getAttribute('src').replace('_over'+ftype, ftype);
					this.setAttribute('src', sTempSrc);
				}
			}
		}
	}
}


/* Widely used functions */

function OpenDiscount() {
window.open("/discount.aspx", 'news', 'scrollbars,resizable,width=620,height=620');
return false;        
}

function OpenWindow(url, title, width, height) {
window.open(url, title, 'scrollbars,resizable,width=' + width + ',height=' + height);  
return false;      
}

/* Utility functions */

function addLoadListener(fn)
{
  if (typeof window.addEventListener != 'undefined')
  {
    window.addEventListener('load', fn, false);
  }
  else if (typeof document.addEventListener != 'undefined')
  {
    document.addEventListener('load', fn, false);
  }
  else if (typeof window.attachEvent != 'undefined')
  {
    window.attachEvent('onload', fn);
  }
  else
  {
    var oldfn = window.onload;
    if (typeof window.onload != 'function')
    {
      window.onload = fn;
    }
    else
    {
      window.onload = function()
      {
        oldfn();
        fn();
      };
    }
  }
}

function attachEventListener(target, eventType, functionRef, capture)
{
  if (typeof target.addEventListener != "undefined")
  {
    target.addEventListener(eventType, functionRef, capture);
  }
  else if (typeof target.attachEvent != "undefined")
  {
    target.attachEvent("on" + eventType, functionRef);
  }
  else
  {
    eventType = "on" + eventType;

    if (typeof target[eventType] == "function")
    {
      var oldListener = target[eventType];

      target[eventType] = function()
      {
        oldListener();

        return functionRef();
      }
    }
    else
    {
      target[eventType] = functionRef;
    }
  }

  return true;
}

function getEventTarget(event)
{
  var targetElement = null;

  if (typeof event.target != "undefined")
  {
    targetElement = event.target;
  }
  else
  {
    targetElement = event.srcElement;
  }

  while (targetElement.nodeType == 3 && targetElement.parentNode != null)
  {
    targetElement = targetElement.parentNode;
  }

  return targetElement;
}

function getScrollingPosition()
{
  //array for X and Y scroll position
  var position = [0, 0];

  //if the window.pageYOffset property is supported
  if(typeof window.pageYOffset != 'undefined')
  {
    //store position values
    position = [
        window.pageXOffset,
        window.pageYOffset
    ];
  }

  //if the documentElement.scrollTop property is supported
  //and the value is greater than zero
  if(typeof document.documentElement.scrollTop != 'undefined'
    && document.documentElement.scrollTop > 0)
  {
    //store position values
    position = [
        document.documentElement.scrollLeft,
        document.documentElement.scrollTop
    ];
  }

  //if the body.scrollTop property is supported
  else if(typeof document.body.scrollTop != 'undefined')
  {
    //store position values
    position = [
        document.body.scrollLeft,
        document.body.scrollTop
    ];
  }

  //return the array
  return position;
}

function getElementsByAttribute(attribute, attributeValue)
{
  var elementArray = new Array();
  var matchedArray = new Array();

  if (document.all)
  {
    elementArray = document.all;
  }
  else
  {
    elementArray = document.getElementsByTagName("*");
  }

  for (var i = 0; i < elementArray.length; i++)
  {
    if (attribute == "class")
    {
      var pattern = new RegExp("(^| )" + attributeValue + "( |$)");

      if (elementArray[i].className.match(pattern))
      {
        matchedArray[matchedArray.length] = elementArray[i];
      }
    }
    else if (attribute == "for")
    {
      if (elementArray[i].getAttribute("htmlFor") || elementArray[i].getAttribute("for"))
      {
        if (elementArray[i].htmlFor == attributeValue)
        {
          matchedArray[matchedArray.length] = elementArray[i];
        }
      }
    }
    else if (elementArray[i].getAttribute(attribute) == attributeValue)
    {
      matchedArray[matchedArray.length] = elementArray[i];
    }
  }

  return matchedArray;
}

function replaceInnerText(element, text) {
    var elem = document.getElementById(element);
    if (elem!=null)
    {
        if (typeof(elem.text) != 'undefined')
	        elem.text = text;
        else if (typeof(elem.textContent) != 'undefined')
	        elem.textContent = text;
        else if (typeof(elem.innerText) != 'undefined')
	        elem.innerText = text;
	}
}

function op_jump(objSelect)
{
    if (objSelect.selectedIndex<=0) return false; 
    var objOpt = objSelect.options[objSelect.selectedIndex]; 
    window.location.href=objOpt.value;
}
    
// Removes leading whitespaces
String.prototype.ltrim = function()
{	
	var re = /\s*((\S+\s*)*)/;
	return this.replace(re, "$1");
	
}

// Removes ending whitespaces
String.prototype.rtrim = function()
{
	var re = /((\s*\S+)*)\s*/;
	return this.replace(re, "$1");
	
}

// Removes leading and ending whitespaces
String.prototype.trim = function()
{	
    this.ltrim().rtrim();	
}

/* Tooltips */

addLoadListener(initTooltips);

function initTooltips()
{
  var imageArrays = getElementsByAttribute("class", "imageArray");

  for (var i = 0; i < imageArrays.length; i++)
  {
	var theimages = imageArrays[i].getElementsByTagName("img");
  for (var j = 0; j < theimages.length; j++)
  {
    attachEventListener(theimages[j], "mouseover", showTip, false);
   attachEventListener(theimages[j], "mouseout", hideTip, false);
   attachEventListener(theimages[j], "mousemove", moveTip, false);
  }

}
  return true;
}

var ALREADY_SET = false;
function showTip(event)
{
	if(ALREADY_SET) return;

  if (typeof event == "undefined")
  {
    event = window.event;
  }

  var target = getEventTarget(event);

  /*while (target.getTagName() !="img")
  {
    target = target.parentNode;
  }*/

  var tip = document.createElement("div");
  var content = target.getAttribute("alt");

	if(content=="") return;

  target.tooltip = tip;
  target.oldtile = target.getAttribute("alt");

  target.setAttribute("title", "");

  if (target.getAttribute("id") != "")
  {
    tip.setAttribute("id", target.getAttribute("id") + "tooltip");
  }

  tip.className = "tooltip";

  content = content.replace(/&lt;/g,"<");
  content = content.replace(/&gt;/g,">");
  content = content.replace(/%/g,"/");

if(content.substr(0,2)=="--")
{
	content = content.substring(2,content.length);
}
else
{
  if (content.indexOf(" - ") == -1) {
        content = "<b>" + content + "</b>";
    } else {
        content = "<b>" + content.replace(" - ", "</b><br />");
    }
}

  tip.innerHTML = content;

  var scrollingPosition = getScrollingPosition();
  var cursorPosition = [0, 0];

  if (typeof event.pageX != "undefined" && typeof event.x != "undefined")
  {
    cursorPosition[0] = event.pageX;
    cursorPosition[1] = event.pageY;
  }
  else
  {
    cursorPosition[0] = event.clientX + scrollingPosition[0];
    cursorPosition[1] = event.clientY + scrollingPosition[1];
  }

  tip.style.position = "absolute";
  tip.style.left = cursorPosition[0] + 10 + "px";
  tip.style.top = cursorPosition[1] + 10 + "px";
  document.getElementsByTagName("body")[0].appendChild(tip);
  ALREADY_SET = true;

  return true;
}

function hideTip(event)
{
  if (typeof event == "undefined")
  {
    event = window.event;
  }

  var target = getEventTarget(event);

  if (target.tooltip != null)
  {
    target.setAttribute("title", target.tooltip.childNodes[0].nodeValue);
    target.tooltip.parentNode.removeChild(target.tooltip);
  }

  ALREADY_SET = false;

  return false;
}

function moveTip(event)
{
  if (typeof event == "undefined")
  {
    event = window.event;
  }

  var target = getEventTarget(event);

  if (target.tooltip != null)
  {
  var scrollingPosition = getScrollingPosition();
  var cursorPosition = [0, 0];

  if (typeof event.pageX != "undefined" && typeof event.x != "undefined")
  {
    cursorPosition[0] = event.pageX;
    cursorPosition[1] = event.pageY;
  }
  else
  {
    cursorPosition[0] = event.clientX + scrollingPosition[0];
    cursorPosition[1] = event.clientY + scrollingPosition[1];
  }

  target.tooltip.style.left = cursorPosition[0] + 10 + "px";
  target.tooltip.style.top = cursorPosition[1] + 10 + "px";


  }

  return false;
}



/* show recent section */

function ShowRecent(num) {
for (i = 1; i < 4; i++) {
if (i == num) {
document.getElementById("recentArray" + i).style.display = "block";
document.getElementById("recentArrayLink" + i).style.visibility = "hidden";
} else {
document.getElementById("recentArray" + i).style.display = "none";
document.getElementById("recentArrayLink" + i).style.visibility = "visible";
}

}
return false;
}