/////////////////////////////////////////////////////////////////////////////////////////////////////////////
//
//  ALTTXT V1.2
//  BY: BRIAN GOSSELIN OF SCRIPTASYLUM.COM
//  ADDED FADING EFFECT FOR IE4+ AND NS6+ ONLY AND OPTIMIZED THE CODE A BIT.
//  SCRIPT FEATURED ON DYNAMIC DRIVE (http://www.dynamicdrive.com)
//  Modifed by DD for doctype bug on Nov 13th, 2003


var dofade=true;     // ENABLES FADE-IN EFFECT FOR IE4+ AND NS6 ONLY
var center=false;     // CENTERS THE BOX UNER THE MOUSE, OTHERWISE DISPLAYS BOX TO THE RIGHT OF THE MOUSE
var centertext=false; // CENTERS THE TEXT INSIDE THE BOX. YOU CAN'T SIMPLY DO THIS VIA STYLE BECAUSE OF NS4.
                     // OTHERWISE, TEXT IS LEFT-JUSTIFIED. 
var popup_from_top=300;
var popup_from_left=400;
var popup_toolbar='no';
var popup_location='no';
var popup_directories='no';
var popup_status='no';
var popup_menubar='no';
var popup_scrollbars='no';
var popup_resizable='no';

 function popup_window(url, w, h, from_top, from_left, toolbar, location, directories, status, menubar, scrollbars, resizable)
{
    var width=w;
    var height=h;
    if(from_top)
       popup_from_top=from_top;
    if(from_left)
        popup_from_left=from_left;
    if(toolbar)
        popup_toolbar=toolbar;
    if(location)
        popup_location=location;
    if(directories)
        popup_directories=directories;
    if(status)
        popup_status=status;
    if(menubar)
        popup_menubar=menubar;
    if(scrollbars)
        popup_scrollbars=scrollbars;
    if(resizable)
        popup_resizable=resizable;
    var atts='width='+width+'show,height='+height+',top='+popup_from_top+',screenY=';
    atts+= popup_from_top+',left='+popup_from_left+',screenX='+popup_from_left+',toolbar='+popup_toolbar;
    atts+=',location='+popup_location+',directories='+popup_directories+',status='+popup_status;
    atts+=',menubar='+popup_menubar+',scrollbars='+popup_scrollbars+',resizable='+popup_resizable;
    window.open(url,'win_name',atts);
}
////////////////////////////// NO NEED TO EDIT BEYOND THIS POINT //////////////////////////////////////
function maxLimitSelect(cntrl,lim)
{
	var n=0;
 	for(var i=0;i<cntrl.length;i++)
 	{
  		if(cntrl[i].selected) 
  			++n;
  		if(n>lim)
  		{
   			alert('You can only choose up to '+lim+' styles to specialise in. This is to avoid people abusing the system. Please change your selection');
   			
   			cntrl[i].selected=false;
   			return false;
   			
  		}
	}
}

function ietruebody()
{
	return (document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body
}

var NS4 = (navigator.appName.indexOf("Netscape")>=0 && !document.getElementById)? true : false;
var IE4 = (document.all && !document.getElementById)? true : false;
var IE5 = (document.getElementById && document.all)? true : false;
var NS6 = (document.getElementById && navigator.appName.indexOf("Netscape")>=0 )? true: false;
var W3C = (document.getElementById)? true : false;
var w_y, w_x, navtxt, boxheight, boxwidth, obj;
var ishover=false;
var isloaded=false;
var ieop=0;
var op_id=0;

function getwindowdims()
{
	w_y=(NS4||NS6||window.opera)? window.innerHeight : (IE5||IE4)? document.body.clientHeight : 0;
	w_x=(NS4||NS6||window.opera)? window.innerWidth : (IE5||IE4)? document.body.clientWidth : 0;
}

function getboxwidth()
{
	if(NS4)
		boxwidth=(navtxt.document.width)? navtxt.document.width : navtxt.clip.width;
	if(IE5||IE4)
		boxwidth=(navtxt.style.pixelWidth)? navtxt.style.pixelWidth : navtxt.offsetWidth;
	if(NS6)
		boxwidth=(navtxt.style.width)? parseInt(navtxt.style.width) : parseInt(navtxt.offsetWidth);
}

function getboxheight()
{
	if(NS4)
		boxheight=(navtxt.document.height)? navtxt.document.height : navtxt.clip.height;
	if(IE4||IE5)
		boxheight=(navtxt.style.pixelHeight)? navtxt.style.pixelHeight : navtxt.offsetHeight;
	if(NS6)
		boxheight=parseInt(navtxt.offsetHeight);
}

function movenavtxt(x,y)
{
	if(NS4)
		navtxt.moveTo(x,y);
	if(W3C||IE4)
	{
		navtxt.style.left=x+'px';
		navtxt.style.top=y+'px';
	}
}

function getpagescrolly()
{
	if(NS4||NS6)
		return window.pageYOffset;
	if(IE5||IE4)
		return ietruebody().scrollTop;
}

function getpagescrollx()
{
	if(NS4||NS6)
		return window.pageXOffset;
	if(IE5||IE4)
		return ietruebody().scrollLeft;
}

function writeindiv(text)
{
	if(NS4)
	{
		navtxt.document.open();
		navtxt.document.write(text);
		navtxt.document.close();
	}
	if(W3C||IE4)
	{
		navtxt.innerHTML=text;
	}
}

//**** END UTILITY FUNCTIONS ****//

function writetxt(text,ob)
{
	obj=ob;
	if(isloaded)
	{
		if(text!=0)
		{
			ishover=true;
			if(NS4)
				text='<div class="navtext">'+((centertext)?'<center>':'')+text+((centertext)?'</center>':'')+'</div>';
			writeindiv(text);
			getboxheight();
			if((W3C || IE4) && dofade)
			{
				ieop=0;
				incropacity();
			}
			document.onmousemove=moveobj;
		}
		else
		{
			if(NS4)
				navtxt.visibility="hide";
			if(IE4||W3C)
			{
				if(dofade)
					clearTimeout(op_id);
				navtxt.style.visibility="hidden";
			}
			writeindiv('');
			ishover=false;
		}
	}
}

function incropacity()
{
	if(ieop<=100)
	{
		ieop+=7;
		if(IE4 || IE5)
			navtxt.style.filter="alpha(opacity="+ieop+")";
		if(NS6)
			navtxt.style.MozOpacity=ieop/100;
		op_id=setTimeout('incropacity()', 50);
	}
}

function moveobj(evt)
{
//	alert('ss');
	if(isloaded && ishover)
	{
//		alert('ss');
		margin=(IE4||IE5)? 1 : 23;
		if(NS6)
			if(document.height+27-window.innerHeight<0)
				margin=15;
		if(NS4)
			if(document.height-window.innerHeight<0)
				margin=10;
		mx=(NS4||NS6)? evt.pageX : (IE5||IE4)? event.clientX : 0;
		my=(NS4||NS6)? evt.pageY : (IE5||IE4)? event.clientY : 0;
		if (NS4)
		{
			mx=evt.pageX
			my=evt.pageY
		}
		else if (NS6)
		{
			mx=evt.clientX
			my=evt.clientY
		}
		else if (IE5)
		{
			mx=event.clientX
			my=event.clientY
		}
		else if (IE4)
		{
			mx=0
			my=0
		}
		if(NS4)
		{
			mx-=getpagescrollx();
			my-=getpagescrolly();
		}
		//xoff=(center)? mx-boxwidth/2 : mx+5;
		xoff=mx+5; 
		//yoff=(my+boxheight+30-getpagescrolly()+margin>=w_y)? -15-boxheight: 30;
		yoff=-boxheight/2;
		
		movenavtxt( Math.min(w_x-boxwidth-margin , Math.max(2,xoff))+getpagescrollx() , my+yoff+getpagescrolly());
		if(NS4)
			navtxt.visibility="show";
		if(W3C||IE4)
		navtxt.style.visibility="visible";
	}
}
//alert(document.onmousemove);
if(NS4)
	document.captureEvents(Event.MOUSEMOVE);
document.onmousemove=moveobj;
window.onload=function()
{
	navtxt=(NS4)? document.layers['navtxt'] : (IE4)? document.all['navtxt'] : (W3C)? document.getElementById('navtxt') : null;
	getboxwidth();
	getboxheight();
	getwindowdims();
	isloaded=true;
	if((W3C || IE4) && centertext)
		navtxt.style.textAlign="center";
	if(W3C)
		navtxt.style.padding='4px';
	if(IE4 || IE5 && dofade)
		navtxt.style.filter="alpha(opacity=0)";
}
window.onresize=getwindowdims;

//============
//var x = 0;
//var y = 0;
//var Netscape=(navigator.appName.indexOf("Netscape") != -1);
//
//function startmouse() {if(Netscape) {document.captureEvents(Event.MOUSEMOVE);} document.onmousemove=getCoords;
//}
//
//function getCoords(e){
//   if (!e) var e = window.event;
//   if (e.pageX){
//     x = e.pageX;
//     y = e.pageY;
//   }
//   else if (e.clientX){
//     x = e.clientX + document.body.scrollLeft;
//     y = e.clientY + document.body.scrollTop;
//}
//if(k==1&&(x>(xx+ww)||x<xx||y>(yy+hh)||y<yy))
//{k=0;move(-750,obj_div);}
//}
//
//var k = 0;
//var yy = 1500;
//var xx = 265;
//var ww = 400;
//var hh = 400;
//var obj_div;
//function move(l,e){obj_div=e;e.style.left=l;}