var ie=document.all
var ns6=document.getElementById&&!document.all

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

function enlarge(which, e, position, imgwidth, imgheight){
if (ie||ns6){
crossobj=document.getElementById? document.getElementById("showimage") : document.all.showimage
if (position=="center"){
pgyoffset=ns6? parseInt(pageYOffset) : parseInt(ietruebody().scrollTop)
horzpos=ns6? pageXOffset+window.innerWidth/2-imgwidth/2 : ietruebody().scrollLeft+ietruebody().clientWidth/2-imgwidth/2
vertpos=ns6? pgyoffset+window.innerHeight/2-imgheight/2 : pgyoffset+ietruebody().clientHeight/2-imgheight/2
if (window.opera && window.innerHeight) //compensate for Opera toolbar
vertpos=pgyoffset+window.innerHeight/2-imgheight/2
vertpos=Math.max(pgyoffset, vertpos)
}
else{


var horzpos=ns6? pageXOffset+e.clientX-150 : ietruebody().scrollLeft+event.clientX-150
var vertpos=ns6? pageYOffset+e.clientY-100 : ietruebody().scrollTop+event.clientY-100


}
crossobj.style.left=horzpos+"px"
crossobj.style.top=vertpos+"px"

var output ='<div align="right" id="dragbar"><span id="closetext" onClick="closepreview()"><IMG SRC="close.gif" WIDTH="19" HEIGHT="17" VSPACE="0" HSPACE="0" BORDER="0"><BR></span></div><span onClick="closepreview()">';
		if( which == "closed_notice" )
		{
			output	+='<div id="closed_notice">Sorry, Skyrail is closed on this day for maintenance, '
			output	+='we apologise for any inconvenience. '
			output	+='Please select another date, or for more information '
			output	+='<a href="http://www.skyrail.com.au/notices.html" target="link">click&nbsp;here</a><div>';	
		}
		else if( which == "date_horizon" )
		{	
			output	+='<div id="closed_notice">Sorry, we can not yet confirm bookings after '+date_horizon_human+'. ';
			output	+='Please try to book closer to your date of travel. We apologise for any inconvenience.';	
		}
		else
		{	
			output	+='<img src="'+which+'">'
	  }
output	+='</span>'	
crossobj.innerHTML = output;										
crossobj.style.visibility="visible"
return false
}
else //if NOT IE 4+ or NS 6+, simply display image in full browser window
return true
}

function closepreview(){
crossobj.style.visibility="hidden"
}

function drag_drop(e){
if (ie&&dragapproved){
crossobj.style.left=tempx+event.clientX-offsetx+"px"
crossobj.style.top=tempy+event.clientY-offsety+"px"
}
else if (ns6&&dragapproved){
crossobj.style.left=tempx+e.clientX-offsetx+"px"
crossobj.style.top=tempy+e.clientY-offsety+"px"
}
return false
}

function initializedrag(e){
if (ie&&event.srcElement.id=="dragbar"||ns6&&e.target.id=="dragbar"){
offsetx=ie? event.clientX : e.clientX
offsety=ie? event.clientY : e.clientY

tempx=parseInt(crossobj.style.left)
tempy=parseInt(crossobj.style.top)

dragapproved=true
document.onmousemove=drag_drop
}
}

document.onmousedown=initializedrag
document.onmouseup=new Function("dragapproved=false")