/////////////////////////////////////////////////////////////////////////////////////////////////////////////
//
//  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=true;     // CENTERS THE BOX UNER THE MOUSE, OTHERWISE DISPLAYS BOX TO THE RIGHT OF THE MOUSE
var centertext=true; // CENTERS THE TEXT INSIDE THE BOX. YOU CAN'T SIMPLY DO THIS VIA STYLE BECAUSE OF NS4.
                     // OTHERWISE, TEXT IS LEFT-JUSTIFIED. 


////////////////////////////// NO NEED TO EDIT BEYOND THIS POINT //////////////////////////////////////


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;
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){
	boxwidth = 350;
	total = x+boxwidth;
	if(total < w_x){
       navtxt.style.left=x+'px';
	}
	else{
	   navtxt.style.left=(w_x-boxwidth-70)+'px';
	}
	boxheight = 200;
	sus = window.pageYOffset;
	jos = window.pageYOffset+w_y;
	pozitionaresus = y-boxheight;
	pozitionarejos = y+boxheight;
	//alert(tempY+" "+ pozitionaresus+" "+pozitionarejos+" "+sus+" "+jos);
	//alert('a');
	if((pozitionaresus < sus)&&(pozitionarejos > jos))
	{
		navtxt.style.top=(y+70)+'px';
		//alert("a");
		//navtxt.style.border='solid 5px green';
		return;
	}else{
		if((pozitionarejos < jos)&&(pozitionaresus < sus))
			{
				if(window.pageYOffset < 30)
				{
					navv=(y+150)+'px';
					//alert('m'+navtxt.style.top);
				}else{
					navv=(y-150)+'px';
					//alert('n'+navtxt.style.top);
				}
				if(navv < 120)
				{
					navtxt.style.top='150px';
				}
				else{
					navtxt.style.top=navv+'px';
				}
				//navtxt.style.border='solid 5px #000';
				//alert(y+boxheight+10);
				a  = 1;
				//alert("b");
				return;
			}
			if((pozitionarejos > jos)&&(pozitionaresus < sus))
			{
				navtxt.style.top=(y-boxheight-100)+'px';
					//alert(tempY-boxheight-10);
					//navtxt.style.border='solid 5px #000';
					//alert("c");
					a = 1;
					return;
					
			}
			if((pozitionarejos > jos)&&(pozitionaresus > sus))
			{
				navtxt.style.top=(y-boxheight-100)+'px';
					//alert(y-boxheight-10);
					//navtxt.style.border='solid 5px red';
					a= 1;
					//alert("d");
					return;
			}
				navtxt.style.top=y+'px';
				//navtxt.style.border='solid 5px #000';
	}
  }
}

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){
	//alert("merge?");
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();
}}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()', 1);
}}
function moveobj(evt){
if(isloaded && ishover){
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;
yoff=(my+boxheight+30-getpagescrolly()+margin>=w_y)? -15-boxheight: 30;
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";
}}

if(NS4)document.captureEvents(Event.MOUSEMOVE);
document.onmousemove=moveobj;
window.onload=function(){
	incarcatus();
  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;