/***********************************************
* Cool DHTML tooltip script- c Dynamic Drive DHTML code library (www.dynamicdrive.com)
* This notice MUST stay intact for legal use
* Visit Dynamic Drive at http://www.dynamicdrive.com/ for full source code
***********************************************/

var offsetxpoint=-60 //Customize x offset of tooltip
var offsetypoint=20 //Customize y offset of tooltip

var ie=document.all
var ns6=document.getElementById && !document.all
var enabletip=false
if (ie||ns6)
var tipobj=document.all? document.all["dhtmltooltip"] : document.getElementById? document.getElementById("dhtmltooltip") : ""

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

function ddrivetip(KindType, IMGnum, IMGdesc){
	

			if (ns6||ie){
				
				//alert(tooltipsStoreID);  變數tooltipsStoreID 由template_SubHomeStyle.xml查詢
				
				if (typeof thewidth!="undefined"){
					tipobj.style.width=thewidth+"px";
				}
				
				if (typeof thecolor!="undefined" && thecolor!=""){
					tipobj.style.backgroundColor=thecolor;
				}
				if (KindType == "KindImage"){
					tipobj.innerHTML='<img src="Images/read/fishery/p'+ IMGnum +'_b.jpg"><div id="dhtmltooltip_desc"><span class="fisherycolor">照片'+ IMGnum +'：</span>'+IMGdesc+'</div>';
				}else{
					tipobj.innerHTML='<div id="tipDiv">'+IMGdesc+'</div>';
				}

				
				enabletip=true;
				return false;
			}

}

function positiontip(e){
	if (enabletip){
			var curX=(ns6)?e.pageX : event.clientX+ietruebody().scrollLeft;
			var curY=(ns6)?e.pageY : event.clientY+ietruebody().scrollTop;
			//Find out how close the mouse is to the corner of the window
			var rightedge=ie&&!window.opera? ietruebody().clientWidth-event.clientX-offsetxpoint : window.innerWidth-e.clientX-offsetxpoint-20;
			var bottomedge=ie&&!window.opera? ietruebody().clientHeight-event.clientY-offsetypoint : window.innerHeight-e.clientY-offsetypoint-20;
			
			var leftedge=(offsetxpoint<0)? offsetxpoint*(-1) : -1000;
			
			//if the horizontal distance isn't enough to accomodate the width of the context menu
			if (rightedge<tipobj.offsetWidth){
			//move the horizontal position of the menu to the left by it's width
				tipobj.style.left=ie? ietruebody().scrollLeft+event.clientX-tipobj.offsetWidth+"px" : window.pageXOffset+e.clientX-tipobj.offsetWidth+"px";
			}else if (curX<leftedge){
				tipobj.style.left="5px";
			}else{
				//position the horizontal position of the menu where the mouse is positioned
				tipobj.style.left=curX+offsetxpoint+"px";
			}
			
			//same concept with the vertical position
			if (bottomedge<tipobj.offsetHeight){
				tipobj.style.top=ie? ietruebody().scrollTop+event.clientY-tipobj.offsetHeight-offsetypoint+"px" : window.pageYOffset+e.clientY-tipobj.offsetHeight-offsetypoint+"px";
			}else{
				tipobj.style.top=curY+offsetypoint+"px";
				
			}
			
			tipobj.style.visibility="visible";
	}
	
}

function hideddrivetip(){
	if (ns6||ie){
		enabletip=false;
		tipobj.style.visibility="hidden";
		tipobj.style.left="-1000px";
		tipobj.style.backgroundColor='';
		tipobj.style.width='';
	}
}

document.onmousemove=positiontip;