// List Object
// generic selection widget built primarily to be incorporated into other List-based widgets (MenuList, ScrollList, SelectList)
// Copyright (C) 1999 Dan Steinman
// Original version available at http://www.dansteinman.com/dynduo/
// Distributed under the terms of the GNU Lesser General Public License, http://www.fsf.org/copyleft/lesser.html
// Modified by Zentropy Partners, July 2000.
var basehref = "http://" + location.hostname + "/"

function List(x,y,width,itemH) {
	this.name = "List"+(List.count++)
	this.x = x
	this.y = y
	this.w = width
	if (arguments.length==4) {
		this.itemH = itemH
		this.itemHset = true
		this.h = -1
	}
	else {
		this.itemH = null
		this.itemHset = false
		this.h = (is.ns)? -1 : 1000
	}

	this.itemSpacing = sub_border_w;
	this.fontname = sub_font;
	this.fontsize = sub_font_size;
	this.visibility = 'inherit'

	this.overOpen = false
	this.menulist = null
	this.indent = sub_indent
	
	this.color = new Object()
	this.color.textNormal = sub_font_color;
	this.color.textSelected = sub_selected_color;
	this.color.bgNormal = sub_bgcolor;
	this.color.bgSelected = sub_selected_bgcolor;
	this.color.border = sub_border_color

	this.items = new Array()
	this.selectedIndex = null
	this.obj = this.name + "ListObject"
	eval(this.obj + "=this")

	this.add = ListAdd
	this.build = ListBuild
	this.activate = ListActivate
	this.over = ListOver
	this.out = ListOut
	this.down = ListDown
	this.select = ListSelect
	this.deselect = ListDeselect
	this.redirect = ListRedirect
	this.onSelect = new Function()
}

function ListAdd(href,text) {
	var i = this.items.length
	this.items[i] = new Array()
	this.items[i].selected = false
	this.items[i].href = (href.indexOf("http")==-1) ? basehref + href : href
	this.items[i].text = arguments[1]
	this.items[i].textNormal = '<span class="'+this.name+'TextNormal">'+this.items[i].text+'</span>'
	this.items[i].textSelected = '<span class="'+this.name+'TextSelected">'+this.items[i].text+'</span>'
	this.h += this.itemH+this.itemSpacing
	this.items[i].y = i*this.itemH+i*this.itemSpacing
}
function ListBuild() {
	this.css = '';
	this.css += css(this.name+'List',this.x,this.y,this.w,this.h,this.color.border)
	for (var i=0;i<this.items.length;i++) {
		this.css += css(this.name+'ListItem'+i,0,this.items[i].y,this.w,this.itemH,this.color.bgNormal)
		this.css += css(this.name+'ListItemSel'+i,0,this.items[i].y,this.w,this.itemH,this.color.bgSelected,hidden)
		this.css += css(this.name+'ListItemC'+i,0,this.items[i].y,this.w,this.itemH,null,null,null,"cursor:hand")
	}
	this.css += '.'+this.name+'TextNormal {font-family:"'+this.fontname+'"; font-size:'+this.fontsize+'; color:'+this.color.textNormal+'; background-color:transparent; margin-left:'+this.indent+'px;}\n'+
	'.'+this.name+'TextSelected {font-family:"'+this.fontname+'"; font-size:'+this.fontsize+'; color:'+this.color.textSelected+'; background-color:transparent; margin-left:'+this.indent+'px;}\n'

	this.div = '<div id="'+this.name+'List">\n'
	for (var i=0;i<this.items.length;i++) {
		this.div += '<div id="'+this.name+'ListItem'+i+'">'+this.items[i].textNormal+'</div>\n'
		this.div += '<div id="'+this.name+'ListItemSel'+i+'">'+this.items[i].textSelected+'</div>\n'
		this.div += '<div id="'+this.name+'ListItemC'+i+'"><img src="'+imgDir+'spacer.gif" width="'+this.w+'" height="'+this.itemH+'"></div>\n'
	}
	this.div += '</div>'
}
function ListActivate() {
	if (is.ie) this.h -= 1001
	this.lyr = new DynLayer(this.name+'List')
	this.lyr.clipInit()

	for (var i=0;i<this.items.length;i++) {
		this.items[i].lyr = new DynLayer(this.name+'ListItem'+i)
		this.items[i].slyr = new DynLayer(this.name+'ListItemSel'+i)
		this.items[i].lyre = new DynLayer(this.name+'ListItemC'+i)
		if (is.ns4) this.items[i].lyre.elm.captureEvents(Event.MOUSEDOWN | Event.MOUSEOVER | Event.MOUSEOUT)
		this.items[i].lyre.elm.onmouseover = new Function(this.obj+'.over('+i+'); return false;')
		this.items[i].lyre.elm.onmouseout = new Function(this.obj+'.out('+i+'); return false;')
		this.items[i].lyre.elm.onmousedown = new Function(this.obj+'.down('+i+'); return false;')
	} 
	this.lyr.css.visibility = this.visibility;
}
function ListOver(i) {
	if (timerID) self.clearTimeout(timerID);
	if (!this.items[i].selected) {
		this.items[i].slyr.show()
		window.status = this.items[i].href
		return true
	}
}
function ListOut(i) {
	if (!this.items[i].selected) {
		this.items[i].slyr.hide()
		window.status = ''
		return true
	}
	timerID = self.setTimeout(this.obj+".menulist.hide()",delay);
}
function ListDown(i) {
	if (!this.items[i].selected) {
		if (this.selectedIndex!=null) this.deselect(this.selectedIndex)
		this.select(i)
	}
}
function ListSelect(i) {
	if (timerID) self.clearTimeout(timerID);
	if (this.items[i]!=null) {	
		this.selectedIndex = i
		this.items[i].slyr.show()
		this.items[i].selected = true
		this.redirect(i)
	}
}

function ListDeselect(i) {
	if (this.items[i]!=null) {
	   if (this.items[i].selected) {
		this.items[i].slyr.hide();
		this.items[i].selected = false
	   }
	}
} 
function ListRedirect(i) {
	window.location = this.items[i].href
}
List.count = 0