/*************************************************************************
  dw_tooltip.js   requires: dw_event.js and dw_viewport.js
  version date: May 21, 2005 moved init call to body onload
  (March 14, 2005: minor changes in position algorithm and timer mechanism)
  
  This code is from Dynamic Web Coding at dyn-web.com
  Copyright 2003-5 by Sharon Paine 
  See Terms of Use at www.dyn-web.com/bus/terms.html
  regarding conditions under which you may use this code.
  This notice must be retained in the code as is!
*************************************************************************/

var Tooltip = {
    followMouse: true,
    offX: 8,
    offY: 12,
    tipID: "tipDiv",
    showDelay: 200,
    hideDelay: 100,
	ready:false,
	timer:null,
	tip:null,
	page:"",
	init:function()
	{
		if(document.createElement&&document.body&&typeof document.body.appendChild!="undefined")
		{
			if(!document.getElementById(this.tipID))
			{
				var el=document.createElement("div");
				el.id=this.tipID;
				document.body.appendChild(el);
			}
			this.ready=true;
		}
	},
	show:function(e,msg, delay, isAJAX)
	{
		document.getElementById('mouseCounter').value++;
		//alert('show: ' + msg);
		if(delay==null) delay=this.showDelay
		if(this.timer)
		{
			clearTimeout(this.timer);
			this.timer=0;
		}
		this.tip=document.getElementById(this.tipID);
		if(this.followMouse)dw_event.add(document,"mousemove",this.trackMouse,true);
		this.writeTip("");
		this.writeTip(msg);
		viewport.getAll();		
		if (navigator.appName != "Netscape" || isAJAX == "undefined" || !isAJAX)
		{
			this.positionTip(e);
		}
		this.timer=setTimeout("Tooltip.toggleVis('"+this.tipID+"', 'visible')",delay);
	},
	writeTip:function(msg)
	{
		if(this.tip&&typeof this.tip.innerHTML!="undefined")this.tip.innerHTML=msg;
	},
	positionTip:function(e) // for std tooltips
	{
		if(this.tip&&this.tip.style)
		{
			var x=e.pageX?e.pageX:e.clientX+viewport.scrollX;
			var y=e.pageY?e.pageY:e.clientY+viewport.scrollY;
			//alert('x: ' + x + '\ny: ' + y + '\ndiv height: ' + this.tip.offsetHeight + '\ndiv width: ' + this.tip.offsetWidth + '\ny: ' + (y+this.tip.offsetHeight+this.offY) + '\ny max: ' + (viewport.height+viewport.scrollY-(this.tip.offsetHeight+this.offY)));
			if(x+this.offX>viewport.width/2+viewport.scrollX)
			{
				x=x-this.tip.offsetWidth-this.offX;
				if(x<0)x=0;
			}else 
				x=x+this.offX;
			if(y+this.offY>2*viewport.height/3+viewport.scrollY)
			{
				y=y-this.tip.offsetHeight-this.offY;
				if(y<viewport.scrollY)y=viewport.height;
			}else 
				y=y+this.offY;
			this.tip.style.left=x+"px";
			this.tip.style.top=y+"px";
			this.tip.style.minWidth="150px";
			this.tip.style._Width="150px";
			var nAgt = navigator.userAgent;
			var verOffset;
			if ((verOffset=nAgt.indexOf("MSIE"))!=-1)
			{
				if (parseFloat(nAgt.substring(verOffset+5)) < 7)
				{
					if(this.page == "search")
					{
						this.hideDDL('sortDiv');
						this.hideDDL('inCurrencyId');
					}
				}
			}
		}
	},
	posTipAJAX:function(pos) // for AJAX tooltips
	{
		if(this.tip&&this.tip.style)
		{
			var x=pos[0]!='undefined'?parseInt(pos[0]):(parseInt(pos[2])+viewport.scrollX);
			var y=pos[1]!='undefined'?parseInt(pos[1]):(parseInt(pos[3])+viewport.scrollY);
			//alert('x: ' + x + '\ny: ' + y + '\ndiv height: ' + this.tip.offsetHeight + '\ndiv width: ' + this.tip.offsetWidth + '\nx max: ' + (y+this.tip.offsetHeight+this.offY) + '\ny max: ' + (viewport.height+viewport.scrollY-(this.tip.offsetHeight+this.offY)));
			if(x+this.offX>viewport.width/2+viewport.scrollX)
			{
				x=x-this.tip.offsetWidth-this.offX;
				if(x<0)x=0;
			}else 
				x=x+this.offX;
			if(y+this.offY>viewport.height/2+viewport.scrollY)
			{
				y=y-this.tip.offsetHeight-this.offY;
				if(y<viewport.scrollY)y=viewport.height;
			}else 
				y=y+this.offY;
			this.tip.style.left=x+"px";
			this.tip.style.top=y+"px";
			this.tip.style.minWidth="150px";
			this.tip.style._Width="150px";
			var nAgt = navigator.userAgent;
			var verOffset;
			if ((verOffset=nAgt.indexOf("MSIE"))!=-1)
			{
				if (parseFloat(nAgt.substring(verOffset+5)) < 7)
				{
					if (this.page == "search")
					{
						this.hideDDL('sortDiv');
						this.hideDDL('inCurrencyId');
						this.hideDDL('ddlRegions');
						this.hideDDL('ddlTowns');
						this.hideDDL('ddlLocations');
						this.hideDDL('dateFrom_Day');
						this.hideDDL('dateFrom_MonthYear');
						this.hideDDL('nights');
						this.hideDDL('occupationTypeId');
						this.hideDDL('stars');
						this.hideDDL('currencyId');
					}
					if (this.page == "hotel")
					{
						this.hideDDL('day_dateFrom');
						this.hideDDL('month_year_dateFrom');
						this.hideDDL('nights');
						this.hideDDL('currencyId');
						var roomsCountHidden = document.getElementById('roomsCount');
						if (roomsCountHidden)
						{
							var roomsCount = roomsCountHidden.value;
							for (var i = 0; i < roomsCount; i++) 
							{
								this.hideDDL('price' + i);
							}
						}
					}
				}
			}
		}
	},
	hide:function()
	{
		if(this.timer)
		{
			clearTimeout(this.timer);this.timer=0;
		}
		this.timer=setTimeout("Tooltip.toggleVis('"+this.tipID+"', 'hidden')",this.hideDelay);
		if(this.followMouse)dw_event.remove(document,"mousemove",this.trackMouse,true);
		this.tip=null;
		document.getElementById('mouseCounter').value++;
	},
	toggleVis:function(id,vis)
	{
		var el=document.getElementById(id);
		if(el)el.style.visibility=vis;
		//setTimeout('empty();',2000);
		//sleep(2000);
		//alert('toogle');
	},
	trackMouse:function(e)
	{
		e=dw_event.DOMit(e);
		Tooltip.positionTip(e);
	},
	hideDDL:function(ddl) // dealing with bug in ie6
	{
		var elem = document.getElementById(ddl);
		if (elem)
		{
			var tip = document.getElementById(this.tipID);
			var ddlTop = getAbsPos(elem, "Top");
			var ddlLeft = getAbsPos(elem,"Left");
			var ddlDown = ddlTop + elem.offsetHeight;
			var ddlRight = ddlLeft + elem.offsetWidth;
			var tipTop = tip.offsetTop;
			var tipLeft = tip.offsetLeft;
			var tipDown = tipTop + tip.offsetHeight;
			var tipRight = tipLeft + tip.offsetWidth;
			if((tipTop < ddlTop && tipDown > ddlTop) ||
				(tipTop < ddlDown && tipDown > ddlDown) ||
				(tipTop>ddlTop && tipDown < ddlDown))
			{
				if((tipLeft < ddlLeft && tipRight > ddlLeft) ||
					(tipLeft < ddlRight && tipRight > ddlRight) ||
					(tipLeft>ddlLeft && tipRight < ddlRight))
				{
					elem.style.visibility = 'hidden';
				}
			}
		}
	}
};

function getAbsPos(elt,which) {
	iPos = 0;
	while (elt != null) {
		iPos += elt["offset" + which];
		elt = elt.offsetParent;
	}
	return iPos;
}

function empty()
{
	return;
}