//根据js文件所在路径取得应用的根路径
var System={};
var t=document.getElementsByTagName("SCRIPT");
t=(System.scriptElement=t[t.length-1]).src.replace(/\\/g, "/");
System.path=(t.lastIndexOf("/")<0)?".":t.substring(0, t.lastIndexOf("/"));
System.path=(System.path.lastIndexOf("/")<0)?".":System.path.substring(0, System.path.lastIndexOf("/"));
System.path=(System.path.lastIndexOf("/")<0)?".":System.path.substring(0, System.path.lastIndexOf("/"));



var offsetfromcursorX = 12
// Customize x offset of tooltip
var offsetfromcursorY = 12
// Customize y offset of tooltip

var offsetdivfrompointerX = 10
// Customize x offset of tooltip DIV relative to pointer image
var offsetdivfrompointerY = 10
// Customize y offset of tooltip DIV relative to pointer image. Tip: Set it to
// (height_of_pointer_image-1).

document.write('<div id="dhtmltooltip"></div>')
// write out tooltip DIV
document.write('<img id="dhtmlpointer" src="' + System.path + '/images/arrow1.gif">')
// write out pointer image

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")
					: ""

var pointerobj = document.all ? document.all["dhtmlpointer"]
		: document.getElementById ? document.getElementById("dhtmlpointer")
				: ""

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

function ddrivetip(thetext, thewidth, thecolor) {
	if (ns6 || ie) {
		if (typeof thewidth != "undefined")
			tipobj.style.width = thewidth + "px"
		if (typeof thecolor != "undefined" && thecolor != "")
			tipobj.style.backgroundColor = thecolor
		tipobj.innerHTML = thetext
		enabletip = true
		return false
	}
}

function positiontip(e) {
	if (enabletip) {
		var nondefaultpos = false
		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 winwidth = ie && !window.opera ? ietruebody().clientWidth
				: window.innerWidth - 20
		var winheight = ie && !window.opera ? ietruebody().clientHeight
				: window.innerHeight - 20

		var rightedge = ie && !window.opera ? winwidth - event.clientX
				- offsetfromcursorX : winwidth - e.clientX - offsetfromcursorX
		var bottomedge = ie && !window.opera ? winheight - event.clientY
				- offsetfromcursorY : winheight - e.clientY - offsetfromcursorY

		var leftedge = (offsetfromcursorX < 0) ? offsetfromcursorX * (-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 = curX - tipobj.offsetWidth + "px"
			nondefaultpos = true
		} 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 + offsetfromcursorX
					- offsetdivfrompointerX + "px"
			pointerobj.style.left = curX + offsetfromcursorX + "px"
		}

		// same concept with the vertical position
		if (bottomedge < tipobj.offsetHeight) {
			tipobj.style.top = curY - tipobj.offsetHeight - offsetfromcursorY
					+ "px"
			nondefaultpos = true
		} else {
			tipobj.style.top = curY + offsetfromcursorY + offsetdivfrompointerY
					+ "px"
			pointerobj.style.top = curY + offsetfromcursorY + "px"
		}
		tipobj.style.visibility = "visible"
		if (!nondefaultpos)
			pointerobj.style.visibility = "visible"
		else
			pointerobj.style.visibility = "hidden"
	}
}

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

document.onmousemove = positiontip