// browser variables
var ns4 = (document.layers)? true:false;
var ie4 = (document.all)? true:false;
var moz = (document.getElementById)?true:false;

function verifyCompatibleBrowser(){ 
    this.ver=navigator.appVersion;
    this.dom=document.getElementById?1:0;
    this.ie5=(this.ver.indexOf("MSIE 5")>-1 && this.dom)?1:0; 
    this.ie4=(document.all && !this.dom)?1:0; 
    this.ns5=(this.dom && parseInt(this.ver) >= 5) ?1:0; 
 
    this.ns4=(document.layers && !this.dom)?1:0; 
    this.bw=(this.ie5 || this.ie4 || this.ns4 || this.ns5); 
    return this;
} 
bw=new verifyCompatibleBrowser();
 
var speed=50;
 
var loop, timer;
 
function ConstructObject(obj,nest){ 
    nest=(!nest) ? '':'document.'+nest+'.';
    this.el=bw.dom?document.getElementById(obj):bw.ie4?document.all[obj]:bw.ns4?eval(nest+'document.'+obj):0; 
    this.css=bw.dom?document.getElementById(obj).style:bw.ie4?document.all[obj].style:bw.ns4?eval(nest+'document.'+obj):0; 
    this.scrollHeight=bw.ns4?this.css.document.height:this.el.offsetHeight;
    this.clipHeight=bw.ns4?this.css.clip.height:this.el.offsetHeight;
    this.up=MoveAreaUp;this.down=MoveAreaDown; 
    this.MoveArea=MoveArea;// this.x; this.y; 
    this.obj = obj + "Object";
    eval(this.obj + "=this"); 
    return this; 
} 
function MoveArea(x,y){ 
    this.x=x;this.y=y; 
    this.css.left=this.x;
    this.css.top=this.y;
} 
 
function MoveAreaDown(move){ 
	if(this.y>-this.scrollHeight+objContainer.clipHeight)
	{ 
    	this.MoveArea(0,this.y-move);
    	if(loop)
    	{
    		setTimeout(this.obj+".down("+move+")",speed);
    	}
	} 
} 
function MoveAreaUp(move){ 
	if(this.y<0)
	{ 
	    this.MoveArea(0,this.y-move);
    	if(loop)
    	{
    		setTimeout(this.obj+".up("+move+")",speed);
    	}
	} 
} 
 
function PerformScroll(speed){ 
	if(initialised){ 
		loop=true; 
		if(speed>0){
		 objScroller.down(speed);
		 }
		else 
		{
			objScroller.up(speed);
		}
	} 
} 
 
function CeaseScroll(){ 
    loop=false;
    if(timer) 
    { clearTimeout(timer); }
} 
var initialised; 
function InitialiseScrollableArea(){ 
    objContainer=new ConstructObject('divContainer');
    objScroller=new ConstructObject('divContent','divContainer');
    objScroller.MoveArea(0,0);
    objContainer.css.visibility='visible';
    initialised=true; 
}



// PRELOAD


function preloadImages() 
{
	var j=picArray.length;
	var args=preloadImages.arguments;
	for(var i=0; i<args.length; i++)
	{
		picArray[j]=new Image(); 
		picArray[j++].src=args[i];
	}
}

function swapImage( newTag, newImage ) 
{
	for ( var i = 0; i < picArray.length; i++ )
	{
		if ( picArray[i].src.indexOf( newImage )>=0 )
		{
			if ( picArray[i].src != null )
				newTag.src = picArray[i].src;
   		}
   	}
}

function showTip(desc, x, y )
{
	ttDiv = document.getElementById('toolTip');
	ttDiv.style.left = x + 15 + document.body.scrollLeft;
	ttDiv.style.top = y - 15 + document.body.scrollTop;
	ttDiv.innerHTML = '<nobr>' + desc + '</nobr>';
	ttDiv.style.visibility = 'visible';
}
function cancelTip(id)
{
	clearTimeout(id);
	ttDiv = document.getElementById('toolTip');
	ttDiv.style.visibility = 'hidden';
}
function startTip( tipText, x, y )
{
	funcText = 'showTip(\'' + tipText + '\', ' +x+', '+y+')';
	return setTimeout( funcText ,500);
}


function validateEmail(pEmailAddress) 
{	
	pEmailAddress = trim(pEmailAddress);	
	if (pEmailAddress.indexOf(' ') != -1 || 
		pEmailAddress.indexOf('@') == -1 || 
		pEmailAddress.indexOf('@') == 0  ||
		pEmailAddress.indexOf('@') == (pEmailAddress.length - 1)) {			 		
		return false;
	}

	var _strArray = pEmailAddress.split('@');
	var _alphaRegExp = new RegExp('[A-Za-z0-9]');
	var _wRegExp = new RegExp('\\w|\\.|\\-');

	if (_strArray[0].charAt(0).search(_alphaRegExp) == -1)
		return false;

	for (var i = 1; i < _strArray[0].length-1; i++) {
		var _char = _strArray[0].charAt(i);
		if (_char.search(_wRegExp) == -1) {
			return false;			
		}
	}

	if (_strArray[0].charAt(_strArray[0].length-1).search(_alphaRegExp) == -1)
		return false;
		
	var _endPart = _strArray[1];
	if (_strArray[1].indexOf(".") == 0 ||
		_strArray[1].indexOf("..") != -1) {
		return false;
	}

	if (_strArray[1].charAt(0).search(_alphaRegExp) == -1)
		return false;

	for (var i = 1; i < _strArray[1].length-1; i++) {
		var _char = _strArray[1].charAt(i);
		if (_char.search(_wRegExp) == -1) {
			return false;
		}
	}
	if (_strArray[1].charAt(_strArray[1].length-1).search(_alphaRegExp) == -1)
		return false;
	return true;
}


function leftTrim(pInputStr) {	
	var _inputStr = pInputStr.toString();
	var _char = _inputStr.charAt(0);
	while (_char == ' ' || _char == '\t' ||
		   _char == '\n' || _char == '\r') {
        _inputStr = _inputStr.substring(1, _inputStr.length);
		_char = _inputStr.charAt(0);
	}
	return _inputStr;
}

function rightTrim(pInputStr) 
{
	var _inputStr = pInputStr.toString();		
	var _char = _inputStr.charAt(_inputStr.length-1);
    while (_char == ' ' || _char == '\t' ||
		   _char == '\n' || _char == '\r') {
        _inputStr = _inputStr.substring(0, _inputStr.length-1);
		_char = _inputStr.charAt(_inputStr.length-1);
	}
	return _inputStr;
}	

function trim(pInputStr) {			 
	pInputStr = leftTrim(pInputStr);		 	 	 
	return rightTrim(pInputStr);
}