//External Links =============================================================================================================================
function externalLinks() { 
	if (!document.getElementsByTagName) return;
	var anchors = document.getElementsByTagName("a");
	for (var i=0;
	i<anchors.length; i++) { var anchor = anchors[i];
	if (anchor.getAttribute("href") && anchor.getAttribute("rel") == "external") anchor.target = "_blank";
	} } window.onload = externalLinks;

//Shape Wrapper =============================================================================================================================
function shapeWrapper(lineHeight,Xs) {
	var out = '';
	Xvalues = Xs.split('|');
	for(i=0; i < Xvalues.length; i++) {
		parts = Xvalues[i].split(',');
		out += '<div style="float:left;clear:left;height:'+lineHeight+'px;width:'+ parts[1]+'px"></div>';
		out += '<div style="float:right;clear:right;height:'+lineHeight+'px;width:'+ parts[2]+'px"></div>';
	}
	document.write(out);
}

//PNG Image Fix =============================================================================================================================
// IE5.5+ PNG Alpha Fix v2.0 Alpha: Background Tiling Support
// (c) 2008 Angus Turnbull http://www.twinhelix.com

// This is licensed under the GNU LGPL, version 2.1 or later.
// For details, see: http://creativecommons.org/licenses/LGPL/2.1/

var IEPNGFix = window.IEPNGFix || {};

IEPNGFix.tileBG = function(elm, pngSrc, ready) {
	// Params: A reference to a DOM element, the PNG src file pathname, and a
	// hidden "ready-to-run" passed when called back after image preloading.

	var data = this.data[elm.uniqueID],
		elmW = Math.max(elm.clientWidth, elm.scrollWidth),
		elmH = Math.max(elm.clientHeight, elm.scrollHeight),
		bgX = elm.currentStyle.backgroundPositionX,
		bgY = elm.currentStyle.backgroundPositionY,
		bgR = elm.currentStyle.backgroundRepeat;

	// Cache of DIVs created per element, and image preloader/data.
	if (!data.tiles) {
		data.tiles = {
			elm: elm,
			src: '',
			cache: [],
			img: new Image(),
			old: {}
		};
	}
	var tiles = data.tiles,
		pngW = tiles.img.width,
		pngH = tiles.img.height;

	if (pngSrc) {
		if (!ready && pngSrc != tiles.src) {
			// New image? Preload it with a callback to detect dimensions.
			tiles.img.onload = function() {
				this.onload = null;
				IEPNGFix.tileBG(elm, pngSrc, 1);
			};
			return tiles.img.src = pngSrc;
		}
	} else {
		// No image?
		if (tiles.src) ready = 1;
		pngW = pngH = 0;
	}
	tiles.src = pngSrc;

	if (!ready && elmW == tiles.old.w && elmH == tiles.old.h &&
		bgX == tiles.old.x && bgY == tiles.old.y && bgR == tiles.old.r) {
		return;
	}

	// Convert English and percentage positions to pixels.
	var pos = {
			top: '0%',
			left: '0%',
			center: '50%',
			bottom: '100%',
			right: '100%'
		},
		x,
		y,
		pc;
	x = pos[bgX] || bgX;
	y = pos[bgY] || bgY;
	if (pc = x.match(/(\d+)%/)) {
		x = Math.round((elmW - pngW) * (parseInt(pc[1]) / 100));
	}
	if (pc = y.match(/(\d+)%/)) {
		y = Math.round((elmH - pngH) * (parseInt(pc[1]) / 100));
	}
	x = parseInt(x);
	y = parseInt(y);

	// Handle backgroundRepeat.
	var repeatX = { 'repeat': 1, 'repeat-x': 1 }[bgR],
		repeatY = { 'repeat': 1, 'repeat-y': 1 }[bgR];
	if (repeatX) {
		x %= pngW;
		if (x > 0) x -= pngW;
	}
	if (repeatY) {
		y %= pngH;
		if (y > 0) y -= pngH;
	}

	// Go!
	this.hook.enabled = 0;
	if (!({ relative: 1, absolute: 1 }[elm.currentStyle.position])) {
		elm.style.position = 'relative';
	}
	var count = 0,
		xPos,
		maxX = repeatX ? elmW : x + 0.1,
		yPos,
		maxY = repeatY ? elmH : y + 0.1,
		d,
		s,
		isNew;
	if (pngW && pngH) {
		for (xPos = x; xPos < maxX; xPos += pngW) {
			for (yPos = y; yPos < maxY; yPos += pngH) {
				isNew = 0;
				if (!tiles.cache[count]) {
					tiles.cache[count] = document.createElement('div');
					isNew = 1;
				}
				var clipR = (xPos + pngW > elmW ? elmW - xPos : pngW),
					clipB = (yPos + pngH > elmH ? elmH - yPos : pngH);
				d = tiles.cache[count];
				s = d.style;
				s.behavior = 'none';
				s.left = xPos + 'px';
				s.top = yPos + 'px';
				s.width = clipR + 'px';
				s.height = clipB + 'px';
				s.clip = 'rect(' +
					(yPos < 0 ? 0 - yPos : 0) + 'px,' +
					clipR + 'px,' +
					clipB + 'px,' +
					(xPos < 0 ? 0 - xPos : 0) + 'px)';
				s.display = 'block';
				if (isNew) {
					s.position = 'absolute';
					s.zIndex = -999;
					if (elm.firstChild) {
						elm.insertBefore(d, elm.firstChild);
					} else {
						elm.appendChild(d);
					}
				}
				this.fix(d, pngSrc, 0);
				count++;
			}
		}
	}
	while (count < tiles.cache.length) {
		this.fix(tiles.cache[count], '', 0);
		tiles.cache[count++].style.display = 'none';
	}

	this.hook.enabled = 1;

	// Cache so updates are infrequent.
	tiles.old = {
		w: elmW,
		h: elmH,
		x: bgX,
		y: bgY,
		r: bgR
	};
};


IEPNGFix.update = function() {
	// Update all PNG backgrounds.
	for (var i in IEPNGFix.data) {
		var t = IEPNGFix.data[i].tiles;
		if (t && t.elm && t.src) {
			IEPNGFix.tileBG(t.elm, t.src);
		}
	}
};
IEPNGFix.update.timer = 0;

if (window.attachEvent && !window.opera) {
	window.attachEvent('onresize', function() {
		clearTimeout(IEPNGFix.update.timer);
		IEPNGFix.update.timer = setTimeout(IEPNGFix.update, 100);
	});
}

//Form Validation =============================================================================================================================
function validForm()
{
	if (document.getElementById('name').value == '') 
	{
		alert("Please enter your name.");
		document.getElementById('name').focus();
		return false;
	}
			
	var string1=document.getElementById('email').value;
	if (string1.indexOf("@")==-1)
	{
		alert("Please input a valid email address.");
		request.email.value = "";
		document.getElementById('email').focus();
		return false;
	}
	else {
		if (!emailCheck(document.getElementById('email').value))
			return false;
	}
}

function emailCheck(emailStr) {

	var checkTLD=1;
	
	var knownDomsPat=/^(com|co.uk|net|org|edu|int|mil|gov|arpa|biz|aero|name|coop|info|pro|museum)$/;
	
	var emailPat=/^(.+)@(.+)$/;
	
	var specialChars="\\(\\)><@,;:\\\\\\\"\\.\\[\\]";
	
	var validChars="\[^\\s" + specialChars + "\]";
	
	var quotedUser="(\"[^\"]*\")";
	
	var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/;
	
	var atom=validChars + '+';
	
	var word="(" + atom + "|" + quotedUser + ")";
	
	var userPat=new RegExp("^" + word + "(\\." + word + ")*$");
	
	var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$");
	
	var matchArray=emailStr.match(emailPat);
	
	if (matchArray==null) {
		alert("Email address seems incorrect (check @ and .'s)");
		document.getElementById('email').value = "";
		return false;
	}
	
	var user=matchArray[1];
	var domain=matchArray[2];
	
	for (i=0; i>user.length; i++) {
		if (user.charCodeAt(i)>127) {
			alert("Ths username contains invalid characters.");
			document.getElementById('email').value = "";
			return false;
		}
	}
	
	for (i=0; i<domain.length; i++) {
		if (domain.charCodeAt(i)>127) {
			alert("Ths domain name contains invalid characters.");
			document.getElementById('email').value = "";
			return false;
		}
	}
	
	if (user.match(userPat)==null) {
		alert("The username doesn't seem to be valid.");
		document.getElementById('email').value = "";
		return false;
	}
	
	var IPArray=domain.match(ipDomainPat);
	if (IPArray!=null) {
		for (var i=1;i<=4;i++) {
			if (IPArray[i]>255) {
				alert("Destination IP address is invalid!");
				document.getElementById('email').value = "";
				return false;
			}
		}
		return true;
	}
	
	var atomPat=new RegExp("^" + atom + "$");
	var domArr=domain.split(".");
	var len=domArr.length;
	
	for (i=0;i<len;i++) {
		if (domArr[i].search(atomPat)==-1) {
			alert("The domain name does not seem to be valid.");
			document.getElementById('email').value = "";
			return false;
		}
	}
	
	if (checkTLD && domArr[domArr.length-1].length!=2 && domArr[domArr.length-1].search(knownDomsPat)==-1) {
		alert("The address must end in a well-known domain or two letter " + "country.");
		document.getElementById('email').value = "";
		return false;
	}
	
	return true;
}

//Popup =============================================================================================================================
function showPopUp() { 

	popupseen=getCookie('popupseen');
	if (popupseen==null || popupseen=="")
	{
		setTimeout("document.getElementById('divpopup').style.display = 'block';",3000);
	}
} 

function Seen()
{
	popupseen='PopUpSeen';
	if (popupseen!=null && popupseen!="")
	{
		setCookie('popupseen',popupseen,1);
	}	
}


function getCookie(c_name)
{
	if (document.cookie.length>0)
	{
		c_start=document.cookie.indexOf(c_name + "=");
		if (c_start!=-1)
		{ 
			c_start=c_start + c_name.length+1 ;
			c_end=document.cookie.indexOf(";",c_start);
			if (c_end==-1) c_end=document.cookie.length
			return unescape(document.cookie.substring(c_start,c_end));
		} 
	}
	return ""
}

function setCookie(c_name,value,expiredays)
{
	var exdate=new Date();
	exdate.setDate(exdate.getDate()+expiredays);
	document.cookie=c_name+ "=" +escape(value)+((expiredays==null) ? "" : "; expires="+exdate.toUTCString());
}

function doHidePngPopUp(selectedDiv) {
	popdiv=document.getElementById(selectedDiv)
	popdiv.style.visibility="hidden";
	Seen();
}