// ---------------------------------------------------
// created by Pavel Shouryguin (psion[at]mail.ru)
// 12.11.2003
// you can use it without any limitations
//
// a lot of thanks to Peter-Paul Koch,
// http://www.xs4all.nl/~ppk/js and http://www.quirksmode.org
// ---------------------------------------------------

document.body.onmousemove = function() { omm(); } ;


var detect = navigator.userAgent.toLowerCase();
var OS,browser,version,total,thestring;

function checkIt(string)
{
	place = detect.indexOf(string) + 1;
	thestring = string;
	if (place) return true;
	else return false;
}


var ie=document.all;
var ns6=document.getElementById&&!document.all;
var opera=checkIt('opera');
var crossobj=false;

if (ns6)
{
	function emulateEventHandlers(eventNames)
	{
		for (var i = 0; i < eventNames.length; i++)
		{
			document.addEventListener(eventNames[i], function (e) { window.event = e; }, true); // using capture
		}
	}

	emulateEventHandlers(["click", "mousemove"]);
}


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

function enlarge(which, e, position, imgwidth)
{
	imgwidth = imgwidth ? imgwidth : getFloatinWidth();
	imgheight = 0;

	which = wordz[which];

	var crossobj = document.getElementById ? document.getElementById("showimage") : document.all.showimage

	var pos_X = 0;
	var pos_Y = 0;

	if ( !e ) e = window.event;
	if ( e )
	{
		if ( typeof(e.pageX) == 'number' )
		{
			pos_X = e.pageX;
			pos_Y = e.pageY;
		}
		else if ( typeof(e.clientX) == 'number' )
		{
		 	pos_X = e.clientX;
			pos_Y = e.clientY;
			if ( document.body && ( document.body.scrollTop || document.body.scrollLeft ) && !( window.opera || window.debug || navigator.vendor == 'KDE' ) )
			{
				pos_X += document.body.scrollLeft;
				pos_Y += document.body.scrollTop;
			}
			else if ( document.documentElement && ( document.documentElement.scrollTop || document.documentElement.scrollLeft ) && !( window.opera || window.debug || navigator.vendor == 'KDE' ) )
			{
				pos_X += document.documentElement.scrollLeft;
				pos_Y += document.documentElement.scrollTop;
	        	}
		}
	}

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

		var scroll_X = 0;
		var scroll_Y = 0;

		if ( document.body && ( document.body.scrollTop || document.body.scrollLeft ) && !( window.debug || navigator.vendor == 'KDE' ) )
		{
			scroll_X = document.body.scrollLeft;
			scroll_Y = document.body.scrollTop;
		}
		else if ( document.documentElement && ( document.documentElement.scrollTop || document.documentElement.scrollLeft ) && !( window.debug || navigator.vendor == 'KDE' ) )
		{
			scroll_X = document.documentElement.scrollLeft;
			scroll_Y = document.documentElement.scrollTop;
		}

//		var pos_X = horzpos + 15;
//		var pos_Y = vertpos + 15;
		var win_size_X = 0;
		var win_size_Y = 0;

		var win_size_X = 0;
		var win_size_Y = 0;

		if (window.innerWidth && window.innerHeight)
		{
			win_size_X = window.innerWidth;
			win_size_Y = window.innerHeight;
		}
		else if (document.documentElement && document.documentElement.clientWidth && document.documentElement.clientHeight)
		{
			win_size_X = document.documentElement.clientWidth;
			win_size_Y = document.documentElement.clientHeight;
		}
		else if (document.body && document.body.clientWidth && document.body.clientHeight)
		{
			win_size_X = document.body.clientWidth;
			win_size_Y = document.body.clientHeight;
		}

		if (!imgheight) imgheight=0;
		if (!imgwidth ) imgwidth=0;

		pos_X += 15;
		pos_Y += 15;

		if (crossobj.offsetWidth && crossobj.offsetHeight)
		{
			if (pos_X - scroll_X + crossobj.offsetWidth + 5 > win_size_X) pos_X -= (crossobj.offsetWidth + 15);
			if (pos_Y - scroll_Y + crossobj.offsetHeight + 5 > win_size_Y) pos_Y -= (crossobj.offsetHeight + 15);
		}

//		window.status = 'x:'+horzpos+' y:'+vertpos+' pos_x:'+pos_X+' pos_y:'+pos_Y+' height:'+crossobj.offsetHeight+' width:'+crossobj.offsetWidth+' offset_x:'+scroll_X+' offset_y:'+scroll_Y;

		crossobj.style.left = pos_X + "px";
		crossobj.style.top = pos_Y + "px";
//		crossobj.style.width=imgwidth+"px";

		crossobj.innerHTML='<div class=floatin>'+which+'</div>';
		crossobj.style.visibility="visible";
		return false;
}

function closepreview()
{
	if (!crossobj) crossobj=document.getElementById? document.getElementById("showimage") : document.all.showimage;
	crossobj.style.visibility="hidden";
}

function omm(e)
{
	if (!crossobj) return;

	var pos_X = 0;
	var pos_Y = 0;

	if ( !e ) e = window.event;
	if ( e )
	{
		if ( typeof(e.pageX) == 'number' )
		{
			pos_X = e.pageX;
			pos_Y = e.pageY;
		}
		else if ( typeof(e.clientX) == 'number' )
		{
		 	pos_X = e.clientX;
			pos_Y = e.clientY;
			if ( document.body && ( document.body.scrollTop || document.body.scrollLeft ) && !( window.opera || window.debug || navigator.vendor == 'KDE' ) )
			{
				pos_X += document.body.scrollLeft;
				pos_Y += document.body.scrollTop;
			}
			else if ( document.documentElement && ( document.documentElement.scrollTop || document.documentElement.scrollLeft ) && !( window.opera || window.debug || navigator.vendor == 'KDE' ) )
			{
				pos_X += document.documentElement.scrollLeft;
				pos_Y += document.documentElement.scrollTop;
        	}
		}
	}
}

function getFloatinWidth()
{
	// find width from css

	if (opera) return 300;
	ww = false;

	for (ss=0; ss<document.styleSheets.length; ss++)
	{
		a = document.styleSheets[ss];

		if (ie) css = a.rules;
		else css = a.cssRules;

		for (k=0; k<css.length; k++)
		{
			if (css[k].selectorText==".floatin") ww = css[k].style.width.replace(/px/, "");
		}
	}

	if (ww) return ww;
	else return 300;
}