help.js

呵呵

ns4 = (document.layers)? true:false
ie4 = (document.all)? true:false

// Microsoft Stupidity Check.
if (ie4) {
	if (navigator.userAgent.indexOf('MSIE 5')>0) {
		ie5 = true;
	} else {
		ie5 = false; }
} else {
	ie5 = false;
}

var x = 0;
var y = 0;
var snow = 0;
var sw = 0;
var cnt = 0;
var dir = 1;
if ( (ns4) || (ie4) ) {
	if (ns4) over = document.overDiv
	if (ie4) over = overDiv.style
	document.onmousemove = mouseMove
	if (ns4) document.captureEvents(Event.MOUSEMOVE)
}

// Public functions to be used on pages.

// Caption popup right
function drc(text, title, osy) {
	dtc(1, text, title, osy);
}

// Caption popup left
function dlc(text, title, osy) {
	dtc(0, text, title, osy);
}

// Caption popup center
function dcc(text, title, osy) {
	dtc(2, text, title, osy);
}

// Clears popups if appropriate
function nd() {
	if ( cnt >= 1 ) { sw = 0 };
	if ( (ns4) || (ie4) ) {
		if ( sw == 0 ) {
			snow = 0;
			hideObject(over);
		} else {
			cnt++;
		}
	}
}

// Non public functions. These are called by other functions etc.

// Caption popup
function dtc(d, text, title, osy) {
	txt = text
	layerWrite(txt);
	dir = d;
	offsety = osy;
	disp();
}

// Common calls
function disp() {
	if ( (ns4) || (ie4) ) {
		if (snow == 0) 	{
			if (dir == 2) { // Center
				moveTo(over,x,y+10); 
			}
			if (dir == 1) { // Right
				moveTo(over,x,y+10); 
			}
			if (dir == 0) { // Left
				moveTo(over,x,y+10);
			}
			showObject(over);
			snow = 1;
		}
	}
// Here you can make the text goto the statusbar.
}

// Moves the layer
function mouseMove(e) {
	if (ns4) {x=e.pageX; y=e.pageY;}
	if (ie4) {x=event.x; y=event.y;}
	if (ie5) {x=event.x+document.body.scrollLeft; y=event.y+document.body.scrollTop;}
	if (snow) {
		if (dir == 2) { // Center
			moveTo(over,x,y+10);
		}
		if (dir == 1) { // Right
			moveTo(over,x,y+10);
		}
		if (dir == 0) { // Left
			moveTo(over,x,y+10);
		}
	}
}

// The Close onMouseOver function for Sticky
function cClick() {
	hideObject(over);
	sw=0;
}

// Writes to a layer
function layerWrite(txt) {
        if (ns4) {
                var lyr = document.overDiv.document
                lyr.write(txt)
                lyr.close()
        }
        else if (ie4) document.all["overDiv"].innerHTML = txt
}

// Make an object visible
function showObject(obj) {
        if (ns4) obj.visibility = "show"
        else if (ie4) obj.visibility = "visible"
}

// Hides an object
function hideObject(obj) {
        if (ns4) obj.visibility = "hide"
        else if (ie4) obj.visibility = "hidden"
}

// Move a layer
function moveTo(obj,xL,yL) {
        obj.left = xL
        obj.top = yL
}