var page_width=455;
var current_left=0;
var current_page=1;
var target_left=0;
var scrolling=false;
var browser_name=navigator.appName.substr(0,1);

var sliding_content_width=0;
var sliding=false;

var yahoo_green_left=0;
var yahoo_green_width=screen.availWidth;
var yahoo_green_scrolling=true;

function GotoPage(target_page){
	if(!scrolling){
		if(target_page>current_page){
			target_left=-(target_page-1)*page_width;
			scrolling=true;
			ScrollRight();
		}else if(target_page<current_page){
			target_left=-(target_page-1)*page_width;
			scrolling=true;
			ScrollLeft();
		}
	}
}

function ScrollRight(){
	current_left=Math.floor((current_left+target_left)/2);
	if(current_left<=target_left){
		scrolling=false;
		current_page+=1;
		clearTimeout(myScrollingObj);
	}else{
		myScrollingObj=setTimeout("ScrollRight()",50);		
	}
	document.getElementById("content").style.left=current_left+"px";
}

function ScrollLeft(){
	current_left=Math.ceil((current_left+target_left)/2);
	if(current_left>=target_left){
		scrolling=false;
		current_page-=1;
		clearTimeout(myScrollingObj);
	}else{
		myScrollingObj=setTimeout("ScrollLeft()",50);
	}
	document.getElementById("content").style.left=current_left+"px";
}

function ShowHide(target){
	var idtarget=document.getElementById(target);
	if(idtarget.style.display=="none"){
		idtarget.style.display=""
	}else{
		idtarget.style.display="none";
	}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function PopupWin(bookURL){
	var winTop = (screen.height /2) - 90;
	var winLeft = (screen.width /2) - 170;
	var winFeat = "menubar=no,status=yes,toolbar=no,scrollable=yes,height=174,width=330";
	winFeat = winFeat+",top="+winTop+",left="+winLeft;
	var newWin = window.open(bookURL,'popup'+Math.round(Math.random()*99),winFeat);
}

function PopupWin2(bookURL,w,h){
	var winLeft = (screen.width /2) - (w/2);
	var winTop = (screen.height /2) - (h/2);
	var winFeat = "menubar=no,status=yes,toolbar=no,resizable=yes,scrollbars=yes,height="+h+",width="+w;
	winFeat = winFeat+",top="+winTop+",left="+winLeft;
	var newWin = window.open(bookURL,'popup'+Math.round(Math.random()*99),winFeat);
}

function RemovePx(thetext){
	re=/px/;
	return thetext.replace(re,"");
}

mousex=0;
mousey=0;

n6=(document.getElementById&&!document.all);
ns=(document.layers);
ie=(document.all);

(ns||n6)?window.captureEvents(Event.MOUSEMOVE):0;
(ns)?window.onMouseMove=Mouse:document.onmousemove=Mouse;

function Mouse(evnt){
	mousey = (ns||n6)?evnt.pageY+4 - window.pageYOffset:event.y+4;
	mousex = (ns||n6)?evnt.pageX+1:event.x+1;
	target = document.getElementById("balloon");
	if(target)target.style.top=(mousey-44)+"px";
	if(target)target.style.left=(mousex-(RemovePx(target.style.width)/2))+"px";
}

function ShowBalloon(theword){
	balloon_obj=document.getElementById("balloon");
	balloon_obj.style.display="";
	document.getElementById("ballooncontent").innerHTML=theword;
	
	return true;
}

function HideBalloon(){
	balloon_obj.style.display="none";
}

function ShowNews(theindex){
	if(theindex==2){
		document.getElementById("yahoo_tech").style.visibility="visible";
		document.getElementById("yahoo_green").style.visibility="hidden";
	}else{
		document.getElementById("yahoo_tech").style.visibility="hidden";
		document.getElementById("yahoo_green").style.visibility="visible";
	}
}

function NewsPause(){
	document.getElementById("yahoo_green_marquee").scrollAmount=0;
	document.getElementById("yahoo_tech_marquee").scrollAmount=0;
}

function NewsRun(){
	document.getElementById("yahoo_green_marquee").scrollAmount=2;
	document.getElementById("yahoo_tech_marquee").scrollAmount=2;
}