/* 
Çʼö »ðÀÔ¿ä¼Ò
1. OnLoad À̺¥Æ®¿¡ ToolTip_Init() »ðÀÔ
2. ¾Æ·¡ Script ÄÚµå Ãß°¡
var xoffset = -300;         // (¸¶¿ì½ºÄ¿¼­¸¦±âÁ¡À¸·Î)Æ˾÷ ¸Þ´ºÃ¢ÀÌ ¶ß´Â width À§Ä¡
var yoffset=5;        //  ¸¶¿ì½ºÄ¿¼­¸¦±âÁ¡À¸·Î)Æ˾÷ ¸Þ´ºÃ¢ÀÌ ¶ß´Â height À§Ä¡
var ShowHTML = "<img src='/helpdesk/image/setup_info.gif' width='310' height='184' usemap='#guide' border='0'></td>";
*/

var init_flag = 0;
var dofade=true;      
var centertext=false; 
//var xoffset=1;         // (¸¶¿ì½ºÄ¿¼­¸¦±âÁ¡À¸·Î)Æ˾÷ ¸Þ´ºÃ¢ÀÌ ¶ß´Â width À§Ä¡
//var yoffset=5;        //  ¸¶¿ì½ºÄ¿¼­¸¦±âÁ¡À¸·Î)Æ˾÷ ¸Þ´ºÃ¢ÀÌ ¶ß´Â height À§Ä¡
if(xoffset == null) var xoffset = 1;
if(yoffset == null) var yoffset = 1;
var mousefollow=false;
var hideDelay=3;  // ¸Þ´ºÃ¢¿¡ ¸¶¿ì½º¸¦ ´ë¸é ¹ÝÅõ¸íÀ¸·Î ³ª¿À´Â ½Ã°£

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(init_flag == 1)
	{
		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=50;
				AT.op_id=setInterval('incropacity()',50);
			}
		}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;
    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();
        xoff=mx+xoffset;
        yoff=(my+AT.boxheight+yoffset-((AT.ns6)?getpagescrolly():0)>=AT.w_y)? -5-AT.boxheight-yoffset: yoffset;
        movenavtxt( Math.min(AT.w_x-AT.boxwidth-margin , Math.max(2,xoff))+getpagescrollx(), my+yoff+((!AT.ns6)?getpagescrolly():0));
    if(!mousefollow)AT.oktomove=false;
}}


//window.onload=function(){
//window.onload = ToolTip_Init;
function ToolTip_Init()
{
  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;
  init_flag = 1;
}