/* $Id: basicFunctions.js 166 2005-08-23 07:04:32Z neilm $ */

/*****************************************************
 * Courtesy of Dreamweaver (http://www.macromedia.com)
 *
 *****************************************************/

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_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_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];}
}
function MM_showHideLayers() { //v6.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
}
function MM_changeProp(objName,x,theProp,theValue) { //v6.01 -- Bug Fix by NM
  var obj = MM_findObj(objName);
  if (obj && (theProp.indexOf("style.")==-1 || obj.style)){
    if (theValue != "" && (theValue == true || theValue == false))
      eval("obj."+theProp+"="+theValue);
    else eval("obj."+theProp+"='"+theValue+"'");
  }
}
function MM_setTextOfLayer(objName,x,newText) { //v4.01
  if ((obj=MM_findObj(objName))!=null) with (obj)
    if (document.layers) {document.write(unescape(newText)); document.close();}
    else innerHTML = unescape(newText);
}

/*

/*

FREESTYLE MENUS v1.0 RC (c) 2001-2005 Angus Turnbull

*/

var isDOM=document.getElementById?1:0,isIE=document.all?1:0,isNS4=navigator.appName=='Netscape'&&!isDOM?1:0,isOp=self.opera?1:0,isDyn=isDOM||isIE||isNS4;function getRef(i,p){p=!p?document:p.navigator?p.document:p;return isIE?p.all[i]:isDOM?(p.getElementById?p:p.ownerDocument).getElementById(i):isNS4?p.layers[i]:null};function getSty(i,p){var r=getRef(i,p);return r?isNS4?r:r.style:null};if(!self.LayerObj)var LayerObj=new Function('i','p','this.ref=getRef(i,p);this.sty=getSty(i,p);return this');function getLyr(i,p){return new LayerObj(i,p)};function LyrFn(n,f){LayerObj.prototype[n]=new Function('var a=arguments,p=a[0],px=isNS4||isOp?0:"px";with(this){'+f+'}')};LyrFn('x','if(!isNaN(p))sty.left=p+px;else return parseInt(sty.left)');LyrFn('y','if(!isNaN(p))sty.top=p+px;else return parseInt(sty.top)');var aeOL=[];function addEvent(o,n,f,l){var a='addEventListener',h='on'+n,b='',s='';if(o[a]&&!l)return o[a](n,f,false);o._c|=0;if(o[h]){b='_f'+o._c++;o[b]=o[h]}s='_f'+o._c++;o[s]=f;o[h]=function(e){e=e||window.event;var r=true;if(b)r=o[b](e)!=false&&r;r=o[s](e)!=false&&r;return r};aeOL[aeOL.length]={o:o,h:h}};addEvent(window,'unload',function(){for(var i=0;i<aeOL.length;i++)with(aeOL[i]){o[h]=null;for(var c=0;o['_f'+c];c++)o['_f'+c]=null}});function FSMenu(myName,nested,cssProp,cssVis,cssHid){this.myName=myName;this.nested=nested;this.cssProp=cssProp;this.cssVis=cssVis;this.cssHid=cssHid;this.cssLitClass='';this.menus={root:new FSMenuNode('root',true,this)};this.menuToShow=[];this.mtsTimer=null;this.showDelay=0;this.switchDelay=125;this.hideDelay=500;this.showOnClick=0;this.animations=[];this.animSpeed=100;if(isIE&&!isOp)addEvent(window,'unload',new Function(myName+'=null'))};FSMenu.prototype.show=function(mN){with(this){menuToShow.length=arguments.length;for(var i=0;i<arguments.length;i++)menuToShow[i]=arguments[i];clearTimeout(mtsTimer);if(!nested)mtsTimer=setTimeout(myName+'.menus.root.over()',10)}};FSMenu.prototype.hide=function(mN){with(this){clearTimeout(mtsTimer);if(menus[mN])menus[mN].out()}};function FSMenuNode(id,isRoot,obj){this.id=id;this.isRoot=isRoot;this.obj=obj;this.lyr=this.child=this.par=this.timer=this.visible=null;this.args=[];var node=this;this.over=function(evt){with(node)with(obj){if(isNS4&&evt&&lyr.ref)lyr.ref.routeEvent(evt);clearTimeout(timer);clearTimeout(mtsTimer);if(!isRoot&&!visible)node.show();if(menuToShow.length){var a=menuToShow,m=a[0];if(!menus[m]||!menus[m].lyr.ref)menus[m]=new FSMenuNode(m,false,obj);var c=menus[m];if(c==node){menuToShow.length=0;return}clearTimeout(c.timer);if(c!=child&&c.lyr.ref){c.args.length=a.length;for(var i=0;i<a.length;i++)c.args[i]=a[i];var delay=child?switchDelay:showDelay;c.timer=setTimeout('with('+myName+'){menus["'+c.id+'"].par=menus["'+node.id+'"];menus["'+c.id+'"].show()}',delay?delay:1)}menuToShow.length=0}if(!nested&&par)par.over()}};this.out=function(evt){with(node)with(obj){if(isNS4&&evt&&lyr&&lyr.ref)lyr.ref.routeEvent(evt);clearTimeout(timer);if(!isRoot){timer=setTimeout(myName+'.menus["'+id+'"].hide()',hideDelay);if(!nested&&par)par.out()}}};if(this.id!='root')with(this)with(lyr=getLyr(id))if(ref){if(isNS4)ref.captureEvents(Event.MOUSEOVER|Event.MOUSEOUT);addEvent(ref,'mouseover',this.over);addEvent(ref,'mouseout',this.out);if(obj.nested){addEvent(ref,'focus',this.over);addEvent(ref,'click',this.over);addEvent(ref,'blur',this.out)}}};FSMenuNode.prototype.show=function(){with(this)with(obj){if(!lyr||!lyr.ref)return;if(par){if(par.child&&par.child!=this)par.child.hide();par.child=this}var offR=args[1],offX=args[2],offY=args[3],lX=0,lY=0,doX=''+offX!='undefined',doY=''+offY!='undefined';if(self.page&&offR&&(doX||doY)){with(page.elmPos(offR,par.lyr?par.lyr.ref:0))lX=x,lY=y;if(doX)lyr.x(lX+eval(offX));if(doY)lyr.y(lY+eval(offY))}if(offR)lightParent(offR,1);visible=1;if(obj.onshow)obj.onshow(id);setVis(1)}};FSMenuNode.prototype.hide=function(){with(this)with(obj){if(!lyr||!lyr.ref)return;if(isNS4&&self.isMouseIn&&isMouseIn(lyr.ref))return show();if(args[1])lightParent(args[1],0);if(child)child.hide();if(par&&par.child==this)par.child=null;if(lyr){visible=0;if(obj.onhide)obj.onhide(id);setVis(0)}}};FSMenuNode.prototype.lightParent=function(elm,lit){with(this)with(obj){if(!cssLitClass||isNS4)return;if(lit)elm.className+=(elm.className?' ':'')+cssLitClass;else elm.className=elm.className.replace(new RegExp('(\\s*'+cssLitClass+')+$'),'')}};FSMenuNode.prototype.setVis=function(sh){with(this)with(obj){lyr.timer|=0;lyr.counter|=0;with(lyr){clearTimeout(timer);if(sh&&!counter)sty[cssProp]=cssVis;if(isDOM&&animSpeed<100)for(var a=0;a<animations.length;a++)animations[a](ref,counter);counter+=animSpeed*(sh?1:-1);if(counter>100){counter=100}else if(counter<=0){counter=0;sty[cssProp]=cssHid;for(var a=0;a<animations.length;a++)animations[a](ref,counter);}else if(isDOM)timer=setTimeout(myName+'.menus["'+id+'"].setVis('+sh+')',50)}}};FSMenu.prototype.activateMenu=function(id,subInd){with(this){if(!isDOM||!document.documentElement)return;var a,ul,li,parUL,mRoot=getRef(id),nodes,count=1;if(isIE){var aNodes=mRoot.getElementsByTagName('a');for(var i=0;i<aNodes.length;i++){addEvent(aNodes[i],'focus',new Function('e','var node=this.parentNode;while(node){if(node.onfocus)setTimeout(node.onfocus,1,e);node=node.parentNode}'));addEvent(aNodes[i],'blur',new Function('e','var node=this.parentNode;while(node){if(node.onblur)node.onblur(e);node=node.parentNode}'))}}var lists=mRoot.getElementsByTagName('ul');for(var i=0;i<lists.length;i++){li=ul=lists[i];while(li){if(li.nodeName.toLowerCase()=='li')break;li=li.parentNode}if(!li)continue;parUL=li;while(parUL){if(parUL.nodeName.toLowerCase()=='ul')break;parUL=parUL.parentNode}a=null;for(var j=0;j<li.childNodes.length;j++)if(li.childNodes[j].nodeName.toLowerCase()=='a')a=li.childNodes[j];if(!a)continue;var menuID=myName+'-id-'+count++;if(ul.id)menuID=ul.id;else ul.setAttribute('id',menuID);var sOC=(showOnClick==1&&li.parentNode==mRoot)||(showOnClick==2);var eShow=new Function('with('+myName+'){var m=menus["'+menuID+'"],pM=menus["'+parUL.id+'"];'+(sOC?'if((pM&&pM.child)||(m&&m.visible))':'')+' show("'+menuID+'",this)}');var eHide=new Function(myName+'.hide("'+menuID+'")');addEvent(a,'mouseover',eShow);addEvent(a,'focus',eShow);addEvent(a,'mouseout',eHide);addEvent(a,'blur',eHide);if(sOC)addEvent(a,'click',new Function('e',myName+'.show("'+menuID+'",this);if(e.cancelable&&e.preventDefault)e.preventDefault();e.returnValue=false;return false'));if(subInd)a.insertBefore(subInd.cloneNode(true),a.firstChild)}menus[id]=new FSMenuNode(id,true,this)}};if(!self.page)var page={win:self,minW:0,minH:0,MS:isIE&&!isOp};page.elmPos=function(e,p){var x=0,y=0,w=p?p:this.win;e=e?(e.substr?(isNS4?w.document.anchors[e]:getRef(e,w)):e):p;if(isNS4){if(e&&(e!=p)){x=e.x;y=e.y};if(p){x+=p.pageX;y+=p.pageY}}if(e&&this.MS&&navigator.platform.indexOf('Mac')>-1&&e.tagName=='A'){e.onfocus=new Function('with(event){self.tmpX=clientX-offsetX;self.tmpY=clientY-offsetY}');e.focus();x=tmpX;y=tmpY;e.blur()}else while(e){x+=e.offsetLeft;y+=e.offsetTop;e=e.offsetParent}return{x:x,y:y}};if(isNS4){var fsmMouseX,fsmMouseY,fsmOR=self.onresize,nsWinW=innerWidth,nsWinH=innerHeight;document.fsmMM=document.onmousemove;self.onresize=function(){if(fsmOR)fsmOR();if(nsWinW!=innerWidth||nsWinH!=innerHeight)location.reload()};document.captureEvents(Event.MOUSEMOVE);document.onmousemove=function(e){fsmMouseX=e.pageX;fsmMouseY=e.pageY;return document.fsmMM?document.fsmMM(e):document.routeEvent(e)};function isMouseIn(sty){with(sty)return((fsmMouseX>left)&&(fsmMouseX<left+clip.width)&&(fsmMouseY>top)&&(fsmMouseY<top+clip.height))}}


/*****************************************************
 * Courtesy of Caboodle IT (http://www.caboodleit.com)
 *
 *****************************************************/

 function checkEnter(e) {

	var characterCode = (e && e.which) ? e.which : e.keyCode;
	var sourceObject = (e.srcElement && e.srcElement.type) ? e.srcElement : e.target;

	//assess if it the form that is in focus or an element (excl. textarea)
	if (sourceObject) {
		if (characterCode == 13 && sourceObject.type!="textarea") {
			if (sourceObject.form.onsubmit()) sourceObject.form.submit();
			return false;
		}
	}

	return true; 
}

var wPopUp = null;

function existPopUp() {
  if (!wPopUp) {
    return false;
  } else {
    if (!wPopUp.closed) {
      return true;
    } else {
      wPopUp = null;
      return false;
    }
  }
}

function closePopUp() {
  if (window.wPopUp) {
    wPopUp.close();
    wPopUp = null;
  }
}

function openPopUp(url, name, width, height, args) {
	if (args!="") args = ", "+args;

  if (!wPopUp) {
    // not yet defined
    wPopUp = window.open(url, name, args);
  } else {
    //has been defined
    if (!wPopUp.closed) {
      wPopUp.focus();
    } else {
      wPopUp = window.open(url, name, args);;
    }
  }
}

function selectSort(obj) {
	var o = new Array();

	for (var i=0; i<obj.options.length; i++)
		o[o.length] = new Option(obj.options[i].text, obj.options[i].value, obj.options[i].defaultSelected, obj.options[i].selected);
	
	if (o.length==0) return;
	o = o.sort( 
		function(a,b) { 
			if ((a.text+"") < (b.text+"")) return -1;
			if ((a.text+"") > (b.text+"")) return 1;
			return 0;
		} 
	);

	for (var i=0; i<o.length; i++)
		obj.options[i] = new Option(o[i].text, o[i].value, o[i].defaultSelected, o[i].selected);
}

function selectMove(objFrom, objTo) {
	if (typeof objFrom == "string") objFrom = MM_findObj(objFrom);
	if (typeof objTo == "string") objTo = MM_findObj(objTo);

	for (var i=0; i<objFrom.options.length; i++)
		if (objFrom.options[i].selected)
			objTo.options[objTo.length] = new Option(objFrom.options[i].text, objFrom.options[i].value);
	
    for (var i=(objFrom.options.length-1); i>=0; i--)
        if (objFrom.options[i].selected)
            objFrom.options[i] = null;
	
	if (arguments[2]==true) selectSort(objTo);

	if (obj = MM_findObj(objTo.name+'[]')) obj.value = selectList(objTo);
	if (obj = MM_findObj(objFrom.name+'[]')) obj.value = selectList(objFrom);
}

function swapOptions(obj,i,j) {
	var o = obj.options;
	var i_selected = o[i].selected;
	var j_selected = o[j].selected;
	var temp = new Option(o[i].text, o[i].value, o[i].defaultSelected, o[i].selected);
	var temp2= new Option(o[j].text, o[j].value, o[j].defaultSelected, o[j].selected);
	o[i] = temp2;
	o[j] = temp;
	o[i].selected = j_selected;
	o[j].selected = i_selected;
	}

function selectMoveUp(obj) {
	if (typeof obj == "string") obj = MM_findObj(obj);

	if (obj && obj.options) {
		for (i=0; i<obj.options.length; i++) {
			if (obj.options[i].selected) {
				if (i != 0 && !obj.options[i-1].selected) {
					swapOptions(obj,i,i-1);
					obj.options[i-1].selected = true;
				}
			}
		}
	}
}

function selectMoveDown(obj) {
	if (typeof obj == "string") obj = MM_findObj(obj);

	if (obj && obj.options) {
		for (i=obj.options.length-1; i>=0; i--) {
			if (obj.options[i].selected) {
				if (i != (obj.options.length-1) && ! obj.options[i+1].selected) {
					swapOptions(obj,i,i+1);
					obj.options[i+1].selected = true;
				}
			}
		}
	}
}

function selectList(obj) {
	if (typeof obj == "string") obj = MM_findObj(obj);

	var retVal = "";
	
	for (var i=0; i<obj.options.length; i++) {
		if (i>0) retVal += ",";
		retVal += obj.options[i].value;
	}

	return retVal;
}

function tableAddRow(tbl) {

	if (typeof tbl == "string") tbl = MM_findObj(tbl);
	
	var toCopy = tbl.rows[tbl.rows.length-1];
    var row = tbl.insertRow(tbl.rows.length);

	for (var i = 0; i < toCopy.cells.length; i++) {
		var cell = row.insertCell(i);
		for (var j = 0; j < toCopy.cells[i].childNodes.length; j++) {
			var el = toCopy.cells[i].childNodes[j].cloneNode(true);
			cell.appendChild(el);
		}
	}
}

function tableDelRow(tbl, row) {
	if (typeof tbl == "string") tbl = MM_findObj(tbl);
	if (row < (tbl.rows.length)) tbl.deleteRow(row);
}


/*******Function to add a bookmark***************************/

function addToFavorites() {
	if (window.external) {
		window.external.AddFavorite(self.location, "Your supply cupboard - login page")
	} else { 
		alert("Sorry! Your browser doesn't support this function. Please use the browser menu to to add this site to your favorites");
	}
}
/************************************************************/

/*Animation*/
function opacity(id, opacStart, opacEnd, millisec) {

    //speed for each frame
    var speed = Math.round(millisec / 100);
    var timer = 0;

    //determine the direction for the blending, if start and end are the same nothing happens
    if(opacStart > opacEnd) {
        if (speed != 0 ){
			for(i = opacStart; i >= opacEnd; i--) {
				setTimeout("changeOpac(" + i + ",'" + id + "')",(timer * speed));
				timer++;
			}
		}else{
			changeOpac(opacEnd, id)
		}
    } else if(opacStart < opacEnd) {
        if (speed != 0 ){			
			for(i = opacStart; i <= opacEnd; i++)
				{
				setTimeout("changeOpac(" + i + ",'" + id + "')",(timer * speed));
				timer++;
			}
		}else{
			changeOpac(opacEnd, id)
		}
    }
}

//change the opacity for different browsers
function changeOpac(opacityVal, id) {
    var object = document.getElementById(id).style;
		object.opacity = (opacityVal / 100);
		object.MozOpacity = (opacityVal / 100);
		object.KhtmlOpacity = (opacityVal / 100);
		object.filter = "alpha(opacity=" + opacityVal + ")";	
} 

function animClipDown(ref, counter)
{
 var cP = Math.pow(Math.sin(Math.PI*counter/200),0.75);
 ref.style.clip = (counter==100 ?
  ((window.opera || navigator.userAgent.indexOf('KHTML') > -1) ? '':
   'rect(auto, auto, auto, auto)') :
    'rect(0, ' + ref.offsetWidth + 'px, '+(ref.offsetHeight*cP)+'px, 0)');
};

function animFade(ref, counter)
{
 var f = ref.filters, done = (counter==100);
 if (f)
 {
  if (!done && ref.style.filter.indexOf("alpha") == -1)
   ref.style.filter += ' alpha(opacity=' + counter + ')';
  else if (f.length && f.alpha) with (f.alpha)
  {
   if (done) enabled = false;
   else { opacity = counter; enabled=true }
  }
 }
 else ref.style.opacity = ref.style.MozOpacity = counter/100.1;
};
function animClipSideways(ref, counter)
{

	var intx = parseInt((135/100)*counter)
	MM_changeProp(ref.id,'','style.width',intx);

	MM_changeProp('greenBlock','','style.left',intx+135);
	
};