/***********************************************
* Show Hint script- © Dynamic Drive (www.dynamicdrive.com)
* This notice MUST stay intact for legal use
* Visit http://www.dynamicdrive.com/ for this script and 100s more.
***********************************************/
		
	var horizontal_offset="4px" //horizontal offset of hint box from anchor link
	
	/////No further editting needed
	
	var vertical_offset="1" //horizontal offset of hint box from anchor link. No need to change.
	var ie=document.all
	var ns6=document.getElementById&&!document.all
	
	function getposOffset(what, offsettype)
	{
		var totaloffset=(offsettype=="left")? what.offsetLeft : what.offsetTop;
		var parentEl=what.offsetParent;
		
		while (parentEl!=null)
		{
			totaloffset=(offsettype=="left")? totaloffset+parentEl.offsetLeft : totaloffset+parentEl.offsetTop;
			parentEl=parentEl.offsetParent;
		}
		
		return totaloffset;
	}
	
	function iecompattest()
	{
		return (document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body
	}
	
	function clearbrowseredge(obj, whichedge)
	{
		var edgeoffset=(whichedge=="rightedge")? parseInt(horizontal_offset)*-1 : parseInt(vertical_offset)*-1
		if (whichedge=="rightedge"){
		var windowedge=ie && !window.opera? iecompattest().scrollLeft+iecompattest().clientWidth-30 : window.pageXOffset+window.innerWidth-40
		dropmenuobj.contentmeasure=dropmenuobj.offsetWidth
		if (windowedge-dropmenuobj.x < dropmenuobj.contentmeasure)
		edgeoffset=dropmenuobj.contentmeasure+obj.offsetWidth+parseInt(horizontal_offset)
		}
		else{
		var windowedge=ie && !window.opera? iecompattest().scrollTop+iecompattest().clientHeight-15 : window.pageYOffset+window.innerHeight-18
		dropmenuobj.contentmeasure=dropmenuobj.offsetHeight
		if (windowedge-dropmenuobj.y < dropmenuobj.contentmeasure)
		edgeoffset=dropmenuobj.contentmeasure-obj.offsetHeight
		}
		
		return edgeoffset
	}
	
	function showhint(menucontents, obj, e, tipwidth)
	{
		if ((ie||ns6) && document.getElementById("hintbox"))
		{
			dropmenuobj=document.getElementById("hintbox")
			dropmenuobj.innerHTML=menucontents
			dropmenuobj.style.left=dropmenuobj.style.top=-500
			
			if (tipwidth!="")
			{
				dropmenuobj.widthobj=dropmenuobj.style
				dropmenuobj.widthobj.width=tipwidth
			}
			
			dropmenuobj.x=getposOffset(obj, "left")
			dropmenuobj.y=getposOffset(obj, "top")
			dropmenuobj.style.left=dropmenuobj.x-clearbrowseredge(obj, "rightedge")+obj.offsetWidth+"px"
			dropmenuobj.style.top=dropmenuobj.y-clearbrowseredge(obj, "bottomedge")+"px"
			dropmenuobj.style.visibility="visible"
			obj.onmouseout=hidetip
		}
	}
	
	function hidetip(e)
	{
		dropmenuobj.style.visibility="hidden"
		dropmenuobj.style.left="-500px"
	}
	
	function createhintbox()
	{
		var divblock=document.createElement("div")
		divblock.setAttribute("id", "hintbox")
		document.body.appendChild(divblock)
	}
	
	if (window.addEventListener)
	window.addEventListener("load", createhintbox, false)
	else if (window.attachEvent)
	window.attachEvent("onload", createhintbox)
	else if (document.getElementById)
	window.onload=createhintbox

	
	
	function change_product_tab_div(value)
	{
		document.getElementById('div_product_tab_description').style.display = 'none';
		document.getElementById('div_product_tab_recommended').style.display = 'none';
		document.getElementById('div_product_tab_also_purchased').style.display = 'none';
		document.getElementById('div_product_tab_bundles').style.display = 'none';
		
		if (document.getElementById('product_tab_1')) {
		document.getElementById('product_tab_1').className = 'tab_1_class';
		}
		
		if (document.getElementById('product_tab_2')) {
		document.getElementById('product_tab_2').className = 'tab_2_class';
		}
		
		if (document.getElementById('product_tab_3')) {
		document.getElementById('product_tab_3').className = 'tab_3_class';
		}
		
		if (document.getElementById('product_tab_4')) {
		document.getElementById('product_tab_4').className = 'tab_4_class';
		}
		
		switch (value)
		{
			case 'description':
				document.getElementById('div_product_tab_description').style.display = 'block';
				
				document.getElementById('product_tab_1').className = 'tab_1_selected';
				break;
			case 'bundles':
				document.getElementById('div_product_tab_bundles').style.display = 'block';
				
				document.getElementById('product_tab_2').className = 'tab_2_selected';
				break;
			case 'recommended':
				document.getElementById('div_product_tab_recommended').style.display = 'block';
				
				document.getElementById('product_tab_3').className = 'tab_3_selected';
				break;
			case 'also_purchased':
				document.getElementById('div_product_tab_also_purchased').style.display = 'block';
				
				document.getElementById('product_tab_4').className = 'tab_4_selected';
				break;
		}
	}
	
	
	function popup_size_table(url) 
	{
		window.open(url,'popup_size_table_window','toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,copyhistory=no,width=620,height=600,screenX=150,screenY=150,top=20,left=120');
	}
		
	function toggle_any_div(id, visibility)
	{
		if (visibility == 'hide')
		{
			document.getElementById(id).style.display = 'none';
		}
		else if (visibility == 'show')
		{
			document.getElementById(id).style.display = 'block';
		}
		
	}
	
	function switch_to_tab(tab)
	{
		change_product_tab_div(tab);
		window.location.hash = 'product_description_anchor';
	}
	
	/* --- BoxOver ---
/* --- v 2.1 17th June 2006
By Oliver Bryant with help of Matthew Tagg
http://boxover.swazz.org */

if (typeof document.attachEvent!='undefined') {
   window.attachEvent('onload',init);
   document.attachEvent('onmousemove',moveMouse);
   document.attachEvent('onclick',checkMove); }
else {
   window.addEventListener('load',init,false);
   document.addEventListener('mousemove',moveMouse,false);
   document.addEventListener('click',checkMove,false);
}

var oDv=document.createElement("div");
var dvHdr=document.createElement("div");
var dvBdy=document.createElement("div");
var windowlock,boxMove,fixposx,fixposy,lockX,lockY,fixx,fixy,ox,oy,boxLeft,boxRight,boxTop,boxBottom,evt,mouseX,mouseY,boxOpen,totalScrollTop,totalScrollLeft;
boxOpen=false;
ox=10;
oy=10;
lockX=0;
lockY=0;

function init() {
	oDv.appendChild(dvHdr);
	oDv.appendChild(dvBdy);
        oDv.style.zIndex='5000';
	oDv.style.position="absolute";
	oDv.style.visibility='hidden';
	document.body.appendChild(oDv);	
}

function defHdrStyle() {
//'<!--img  style="vertical-align:middle"  src="info.gif"-->&nbsp;&nbsp;'
	dvHdr.innerHTML=+dvHdr.innerHTML;
	dvHdr.style.fontWeight='bold';
//	dvHdr.style.width='150px';
        dvHdr.style.maxWidth='300px';
	dvHdr.style.fontFamily='arial';
	dvHdr.style.border='1px solid #00add0';
	dvHdr.style.padding='3';
	dvHdr.style.fontSize='12px';
	dvHdr.style.color='#fff';
	dvHdr.style.background='#00add0';




}

function defBdyStyle() {
	dvBdy.style.borderBottom='1px solid #00add0';
	dvBdy.style.borderLeft='1px solid #00add0';
	dvBdy.style.borderRight='1px solid #00add0';
//	dvBdy.style.width='150px';
        dvHdr.style.maxWidth='300px';
	dvBdy.style.fontFamily='arial';
	dvBdy.style.fontSize='11';
	dvBdy.style.padding='3';
	dvBdy.style.color='#1B4966';
	dvBdy.style.background='#FFFFFF';

}

function checkElemBO(txt) {
if (!txt || typeof(txt) != 'string') return false;
if ((txt.indexOf('header')>-1)&&(txt.indexOf('body')>-1)&&(txt.indexOf('[')>-1)&&(txt.indexOf('[')>-1)) 
   return true;
else
   return false;
}

function scanBO(curNode) {
	  if (checkElemBO(curNode.title)) {
         curNode.boHDR=getParam('header',curNode.title);
         curNode.boBDY=getParam('body',curNode.title);
			curNode.boCSSBDY=getParam('cssbody',curNode.title);			
			curNode.boCSSHDR=getParam('cssheader',curNode.title);
			curNode.IEbugfix=(getParam('hideselects',curNode.title)=='on')?true:false;
			curNode.fixX=parseInt(getParam('fixedrelx',curNode.title));
			curNode.fixY=parseInt(getParam('fixedrely',curNode.title));
			curNode.absX=parseInt(getParam('fixedabsx',curNode.title));
			curNode.absY=parseInt(getParam('fixedabsy',curNode.title));
			curNode.offY=(getParam('offsety',curNode.title)!='')?parseInt(getParam('offsety',curNode.title)):10;
			curNode.offX=(getParam('offsetx',curNode.title)!='')?parseInt(getParam('offsetx',curNode.title)):10;
			curNode.fade=(getParam('fade',curNode.title)=='on')?true:false;
			curNode.fadespeed=(getParam('fadespeed',curNode.title)!='')?getParam('fadespeed',curNode.title):0.04;
			curNode.delay=(getParam('delay',curNode.title)!='')?parseInt(getParam('delay',curNode.title)):0;
			if (getParam('requireclick',curNode.title)=='on') {
				curNode.requireclick=true;
				document.all?curNode.attachEvent('onclick',showHideBox):curNode.addEventListener('click',showHideBox,false);
				document.all?curNode.attachEvent('onmouseover',hideBox):curNode.addEventListener('mouseover',hideBox,false);
			}
			else {// Note : if requireclick is on the stop clicks are ignored   			
   			if (getParam('doubleclickstop',curNode.title)!='off') {
   				document.all?curNode.attachEvent('ondblclick',pauseBox):curNode.addEventListener('dblclick',pauseBox,false);
   			}	
   			if (getParam('singleclickstop',curNode.title)=='on') {
   				document.all?curNode.attachEvent('onclick',pauseBox):curNode.addEventListener('click',pauseBox,false);
   			}
   		}
			curNode.windowLock=getParam('windowlock',curNode.title).toLowerCase()=='off'?false:true;
			curNode.title='';
			curNode.hasbox=1;
	   }
	   else
	      curNode.hasbox=2;   
}


function getParam(param,list) {
	var reg = new RegExp('([^a-zA-Z]' + param + '|^' + param + ')\\s*=\\s*\\[\\s*(((\\[\\[)|(\\]\\])|([^\\]\\[]))*)\\s*\\]');
	var res = reg.exec(list);
	var returnvar;
	if(res)
		return res[2].replace('[[','[').replace(']]',']');
	else
		return '';
}

function Left(elem){	
	var x=0;
	if (elem.calcLeft)
		return elem.calcLeft;
	var oElem=elem;
	while(elem){
		 if ((elem.currentStyle)&& (!isNaN(parseInt(elem.currentStyle.borderLeftWidth)))&&(x!=0))
		 	x+=parseInt(elem.currentStyle.borderLeftWidth);
		 x+=elem.offsetLeft;
		 elem=elem.offsetParent;
	  } 
	oElem.calcLeft=x;
	return x;
	}

function Top(elem){
	 var x=0;
	 if (elem.calcTop)
	 	return elem.calcTop;
	 var oElem=elem;
	 while(elem){		
	 	 if ((elem.currentStyle)&& (!isNaN(parseInt(elem.currentStyle.borderTopWidth)))&&(x!=0))
		 	x+=parseInt(elem.currentStyle.borderTopWidth); 
		 x+=elem.offsetTop;
	         elem=elem.offsetParent;
 	 } 
 	 oElem.calcTop=x;
 	 return x;
 	 
}

var ah,ab;
function applyStyles() {
	if(ab)
		oDv.removeChild(dvBdy);
	if (ah)
		oDv.removeChild(dvHdr);
	dvHdr=document.createElement("div");
	dvBdy=document.createElement("div");
	CBE.boCSSBDY?dvBdy.className=CBE.boCSSBDY:defBdyStyle();
	CBE.boCSSHDR?dvHdr.className=CBE.boCSSHDR:defHdrStyle();
	dvHdr.innerHTML=CBE.boHDR;
	dvBdy.innerHTML=CBE.boBDY;
	ah=false;
	ab=false;
	if (CBE.boHDR!='') {		
		oDv.appendChild(dvHdr);
		ah=true;
	}	
	if (CBE.boBDY!=''){
		oDv.appendChild(dvBdy);
		ab=true;
	}	
}

var CSE,iterElem,LSE,CBE,LBE, totalScrollLeft, totalScrollTop, width, height ;
var ini=false;

// Customised function for inner window dimension
function SHW() {
   if (document.body && (document.body.clientWidth !=0)) {
      width=document.body.clientWidth;
      height=document.body.clientHeight;
   }
   if (document.documentElement && (document.documentElement.clientWidth!=0) && (document.body.clientWidth + 20 >= document.documentElement.clientWidth)) {
      width=document.documentElement.clientWidth;   
      height=document.documentElement.clientHeight;   
   }   
   return [width,height];
}


var ID=null;
function moveMouse(e) {
   //boxMove=true;
	e?evt=e:evt=event;
	
	CSE=evt.target?evt.target:evt.srcElement;
	
	if (!CSE.hasbox) {
	   // Note we need to scan up DOM here, some elements like TR don't get triggered as srcElement
	   iElem=CSE;
	   while ((iElem.parentNode) && (!iElem.hasbox)) {
	      scanBO(iElem);
	      iElem=iElem.parentNode;
	   }	   
	}
	
	if ((CSE!=LSE)&&(!isChild(CSE,dvHdr))&&(!isChild(CSE,dvBdy))){		
	   if (!CSE.boxItem) {
			iterElem=CSE;
			while ((iterElem.hasbox==2)&&(iterElem.parentNode))
					iterElem=iterElem.parentNode; 
			CSE.boxItem=iterElem;
			}
		iterElem=CSE.boxItem;
		if (CSE.boxItem&&(CSE.boxItem.hasbox==1))  {
			LBE=CBE;
			CBE=iterElem;
			if (CBE!=LBE) {
				applyStyles();
				if (!CBE.requireclick)
					if (CBE.fade) {
						if (ID!=null)
							clearTimeout(ID);
						ID=setTimeout("fadeIn("+CBE.fadespeed+")",CBE.delay);
					}
					else {
						if (ID!=null)
							clearTimeout(ID);
						COL=1;
						ID=setTimeout("oDv.style.visibility='visible';ID=null;",CBE.delay);						
					}
				if (CBE.IEbugfix) {hideSelects();} 
				fixposx=!isNaN(CBE.fixX)?Left(CBE)+CBE.fixX:CBE.absX;
				fixposy=!isNaN(CBE.fixY)?Top(CBE)+CBE.fixY:CBE.absY;			
				lockX=0;
				lockY=0;
				boxMove=true;
				ox=CBE.offX?CBE.offX:10;
				oy=CBE.offY?CBE.offY:10;
			}
		}
		else if (!isChild(CSE,dvHdr) && !isChild(CSE,dvBdy) && (boxMove))	{
			// The conditional here fixes flickering between tables cells.
			if ((!isChild(CBE,CSE)) || (CSE.tagName!='TABLE')) {   			
   			CBE=null;
   			if (ID!=null)
  					clearTimeout(ID);
   			fadeOut();
   			showSelects();
			}
		}
		LSE=CSE;
	}
	else if (((isChild(CSE,dvHdr) || isChild(CSE,dvBdy))&&(boxMove))) {
		totalScrollLeft=0;
		totalScrollTop=0;
		
		iterElem=CSE;
		while(iterElem) {
			if(!isNaN(parseInt(iterElem.scrollTop)))
				totalScrollTop+=parseInt(iterElem.scrollTop);
			if(!isNaN(parseInt(iterElem.scrollLeft)))
				totalScrollLeft+=parseInt(iterElem.scrollLeft);
			iterElem=iterElem.parentNode;			
		}
		if (CBE!=null) {
			boxLeft=Left(CBE)-totalScrollLeft;
			boxRight=parseInt(Left(CBE)+CBE.offsetWidth)-totalScrollLeft;
			boxTop=Top(CBE)-totalScrollTop;
			boxBottom=parseInt(Top(CBE)+CBE.offsetHeight)-totalScrollTop;
			doCheck();
		}
	}
	
	if (boxMove&&CBE) {
		// This added to alleviate bug in IE6 w.r.t DOCTYPE
		bodyScrollTop=document.documentElement&&document.documentElement.scrollTop?document.documentElement.scrollTop:document.body.scrollTop;
		bodyScrollLet=document.documentElement&&document.documentElement.scrollLeft?document.documentElement.scrollLeft:document.body.scrollLeft;
		mouseX=evt.pageX?evt.pageX-bodyScrollLet:evt.clientX-document.body.clientLeft;
		mouseY=evt.pageY?evt.pageY-bodyScrollTop:evt.clientY-document.body.clientTop;
		if ((CBE)&&(CBE.windowLock)) {
			mouseY < -oy?lockY=-mouseY-oy:lockY=0;
			mouseX < -ox?lockX=-mouseX-ox:lockX=0;
			mouseY > (SHW()[1]-oDv.offsetHeight-oy)?lockY=-mouseY+SHW()[1]-oDv.offsetHeight-oy:lockY=lockY;
			mouseX > (SHW()[0]-dvBdy.offsetWidth-ox)?lockX=-mouseX-ox+SHW()[0]-dvBdy.offsetWidth:lockX=lockX;			
		}
		oDv.style.left=((fixposx)||(fixposx==0))?fixposx:bodyScrollLet+mouseX+ox+lockX+"px";
		oDv.style.top=((fixposy)||(fixposy==0))?fixposy:bodyScrollTop+mouseY+oy+lockY+"px";		
		
	}
}

function doCheck() {	
	if (   (mouseX < boxLeft)    ||     (mouseX >boxRight)     || (mouseY < boxTop) || (mouseY > boxBottom)) {
		if (!CBE.requireclick)
			fadeOut();
		if (CBE.IEbugfix) {showSelects();}
		CBE=null;
	}
}

function pauseBox(e) {
   e?evt=e:evt=event;
	boxMove=false;
	evt.cancelBubble=true;
}

function showHideBox(e) {
	oDv.style.visibility=(oDv.style.visibility!='visible')?'visible':'hidden';
}

function hideBox(e) {
	oDv.style.visibility='hidden';
}

var COL=0;
var stopfade=false;
function fadeIn(fs) {
		ID=null;
		COL=0;
		oDv.style.visibility='visible';
		fadeIn2(fs);
}

function fadeIn2(fs) {
		COL=COL+fs;
		COL=(COL>1)?1:COL;
		oDv.style.filter='alpha(opacity='+parseInt(100*COL)+')';
		oDv.style.opacity=COL;
		if (COL<1)
		 setTimeout("fadeIn2("+fs+")",20);		
}


function fadeOut() {
	oDv.style.visibility='hidden';
	
}

function isChild(s,d) {
	while(s) {
		if (s==d) 
			return true;
		s=s.parentNode;
	}
	return false;
}

var cSrc;
function checkMove(e) {
	e?evt=e:evt=event;
	cSrc=evt.target?evt.target:evt.srcElement;
	if ((!boxMove)&&(!isChild(cSrc,oDv))) {
		fadeOut();
		if (CBE&&CBE.IEbugfix) {showSelects();}
		boxMove=true;
		CBE=null;
	}
}

function showSelects(){
   var elements = document.getElementsByTagName("select");
   for (i=0;i< elements.length;i++){
      elements[i].style.visibility='visible';
   }
}

function hideSelects(){
   var elements = document.getElementsByTagName("select");
   for (i=0;i< elements.length;i++){
   elements[i].style.visibility='hidden';
   }
}