/*********************************************************************************************
(Purchased)
*********************************************************************************************/

var dofade=true;       // ENABLES FADE-IN EFFECT (FOR IE4+ AND NS6 ONLY)

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 xoffset=9;         // HORIZONTAL PIXEL COUNT FROM CURSOR

var yoffset=25;        // VERTICAL PIXEL COUNT FROM CURSOR

var mousefollow=true; // ENABLES MOUSE FOLLOW MODE WHERE THE BOX CONTINUES TO FOLLOW THE MOUSE. SET TO false TO
                       // LOCK THE BOX WHEREVER IT INITIALLY APPEARS.

var hideDelay=1000;     // DELAY IN MILLISECONDS ( 1 SECOND = 1000 MILLISECONDS) FROM WHEN YOU HOVER OUT OF LINK
                       // AND THE BOX DISAPPEARS ONLY WHEN "mousefollow" IS SET TO "false".
                       // THIS WILL GIVE THE USER TIME TO CLICK A LINK OR WHATEVER IN THE BOX BEFORE IT DISAPPEARS.

var writeTxtLoaded	= false;

var allowVertFlip	= false;

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

function altProps(){
	this.w3c	= (document.getElementById)?true:false;
	this.ns4	= (document.layers)?true:false;
	this.ie4	= (document.all && !this.w3c)?true:false;
	this.ie5	= (document.all && this.w3c)?true:false;
	this.ns6	= (this.w3c && navigator.appName.indexOf("Netscape")>=0 )?true:false;
	this.w_y	= 0;
	this.w_x	= 0;
	this.navtxt	= null;
	this.boxheight	= 0;
	this.boxwidth	= 0;
	this.ishover	= false;
	this.ieop	= 0;
	this.op_id	= 0;
	this.oktomove	= false;
	this.dy		= 0;
}

var AT	= new altProps();

function toggle_centertext(){
	centertext=!centertext;
}

function toggle_mousefollow(){
	mousefollow=!mousefollow;
}

function toggle_dofade(){
	dofade=!dofade;
	if (!dofade) {
		AT.ieop=100;
	}
}


function getwindowdims(){
	AT.w_y = (AT.ie5||AT.ie4) ? document.body.clientHeight	: window.innerHeight;
	AT.w_x = (AT.ie5||AT.ie4) ? document.body.clientWidth	: window.innerWidth;
}

function getboxwidth(){
	if (AT.ns4) {
		AT.boxwidth	= (AT.navtxt.document.width)	? AT.navtxt.document.width	: AT.navtxt.clip.width;
	} else if (AT.ie4) {
		AT.boxwidth	= (AT.navtxt.style.pixelWidth)	? AT.navtxt.style.pixelWidth	: AT.navtxt.offsetWidth;
	} else {
		AT.boxwidth	= (AT.navtxt.style.width)	? parseInt(AT.navtxt.style.width) : parseInt(AT.navtxt.offsetWidth);
	}
}

function getboxheight(){
	if (AT.ns4) {
		AT.boxheight	= (AT.navtxt.document.height)	? AT.navtxt.document.height	: AT.navtxt.clip.height;
	} else if (AT.ie4) {
		AT.boxheight	= (AT.navtxt.style.pixelHeight)	? AT.navtxt.style.pixelHeight	: AT.navtxt.offsetHeight;
	} else {
		AT.boxheight	= parseInt(AT.navtxt.offsetHeight);
	}
}

function movenavtxt(x,y){
	if(AT.ns4) {
		AT.navtxt.moveTo(x,y);
	} else{
		AT.navtxt.style.left=x+'px';
		AT.navtxt.style.top=y+'px';
	}
}

function getpagescrolly(){
	if (AT.ie5||AT.ie4) {
		return document.body.scrollTop;
	} else {
		return window.pageYOffset;
	}
}

function getpagescrollx(){
	if (AT.ie5||AT.ie4) {
		return document.body.scrollLeft;
	} else {
		return window.pageXOffset;
	}
}

function writeindiv(text){
	if (AT.ns4) {
		AT.navtxt.document.open();
		AT.navtxt.document.write(text);
		AT.navtxt.document.close();
	} else {
		AT.navtxt.innerHTML=text;
	}
}

function writetxt(text){
	if (!writeTxtLoaded) {
		return;
	}
	if (dofade && (AT.ie4||AT.w3c)) {
		clearInterval(AT.op_id);
	}
	
	if (text!=0) {
		if (!mousefollow) {
			clearTimeout(AT.dy);
		}

		AT.oktomove=true;
		AT.ishover=true;

		if (AT.ns4) {
			text='<div class="navtext">'+((centertext)?'<center>':'')+text+((centertext)?'</center>':'')+'</div>';
		}
		
		if (AT.w3c||AT.ie4) {
			AT.navtxt.style.textAlign=(centertext)?"center":"left";
		}
		writeindiv(text);
		
		if (AT.ns4) {
			AT.navtxt.visibility="show";
		} else {
			AT.navtxt.style.visibility="visible";
			AT.navtxt.style.display="block";
		}
		
		getboxheight();
		
		if ((AT.w3c||AT.ie4) && dofade) {
			if (AT.ie4||AT.ie5) {
				AT.navtxt.style.filter="alpha(opacity=0)";
			}
			if (AT.ns6) {
				AT.navtxt.style.MozOpacity=0;
			}
			AT.ieop=0;
			AT.op_id=setInterval('incropacity()',1); ////////////////////////////
		}
	} else {
		if (mousefollow) {
			hideAlttxt();
		} else {
			AT.dy=setTimeout('hideAlttxt()',hideDelay);
		}
	}
}

function hideAlttxt(){
	if (AT.ns4) {
		AT.navtxt.visibility="hide";
	} else {
		AT.navtxt.style.display="none";
		AT.navtxt.style.visibility="hidden";
	}
	movenavtxt(-AT.boxwidth-10,0);
	writeindiv('');
}

function incropacity(){
	if (AT.ieop<=100) {
		AT.ieop+=7;///////////////////////////////////////    changed from +=7    temp was 25
		
		if (AT.ie4||AT.ie5) {
			AT.navtxt.style.filter="alpha(opacity="+AT.ieop+")";
		}
		if (AT.ns6) {
			AT.navtxt.style.MozOpacity=AT.ieop/100;
		}
	} else {
		clearInterval(AT.op_id);
	}
}

function moveobj(evt){
	mx = (AT.ie5||AT.ie4)	? event.clientX	: evt.pageX;
	my = (AT.ie5||AT.ie4)	? event.clientY	: evt.pageY;
	
	if (AT.ishover && AT.oktomove) {
		margin = (AT.ie4||AT.ie5) ? 5 : 25;
		
		if (AT.ns6) {
			if (document.height+27-window.innerHeight<0) {
				margin=15;
			}
		}
			
		if (AT.ns4) {
			if (document.height-window.innerHeight<0) {
				margin=10;
			}
		}
		if (AT.ns4||AT.ns6) {
			mx-=getpagescrollx();
		}
		if (AT.ns4) {
			my-=getpagescrolly();
		}

		//check the box width and height before calculating offsets
		getboxwidth();
		getboxheight();

		xoff = mx + xoffset;
		yoff = (my+AT.boxheight + yoffset - ((AT.ns6) ? getpagescrolly() : 0) >= AT.w_y && allowVertFlip)
			? -5-AT.boxheight-yoffset
			: ((my+AT.boxheight + yoffset - ((AT.ns6) ? getpagescrolly() : 0) >= AT.w_y && !allowVertFlip)
			? AT.w_y - AT.boxheight - my
			: yoffset);
			
		moveX = Math.min(AT.w_x-AT.boxwidth-margin,Math.max(2,xoff)) + getpagescrollx();
		moveY = my + yoff + ((!AT.ns6)?getpagescrolly():0);
		moveY = (moveY<getpagescrolly()?getpagescrolly():moveY);
			
		movenavtxt(moveX,moveY);
			
		if (!mousefollow) {
			AT.oktomove=false;
		}
	}
}

window.onload = function() {
	AT.navtxt = (AT.ns4)
			? document.layers['navtxt']
			: (AT.ie4)
				? document.all['navtxt']
				: (AT.w3c)
					? document.getElementById('navtxt')
					: null;
	
	getboxwidth();
	getboxheight();
	getwindowdims();
	
	if (AT.ie4||AT.ie5&&dofade) {
		AT.navtxt.style.filter="alpha(opacity=100)";
	}
	AT.navtxt.onmouseover = function() {
		if (!mousefollow) {
			clearTimeout(AT.dy);
		}
	}
	AT.navtxt.onmouseout = function() {
		if (!mousefollow) {
			AT.dy=setTimeout('hideAlttxt()',hideDelay);
		}
	}
	if (AT.ns4) {
		document.captureEvents(Event.MOUSEMOVE);
	}
	document.onmousemove=moveobj;
	window.onresize=getwindowdims;
	writeTxtLoaded	= true;
}