var isIE;
if (navigator.userAgent.indexOf("Safari") > 0 || navigator.product == "Gecko")
{
	isIE = false;
}
else
{
	isIE = true;
}

if(!isIE)
{
	//document.addEventListener("keyup", keypress, true);
	
	HTMLElement.prototype.__defineGetter__("currentStyle", function() 
	{return document.defaultView.getComputedStyle(this, null);});
}



function ObjHide(div_id, hide)
{
	if(isIE)
	{
		_ObjHide(div_id, hide, 'select');
		_ObjHide(div_id, hide, 'textarea');
	}
	__ObjHide(hide, 'FlashObject');
}

function _ObjHide(div_id, hide, TagName)
{
	var i_list = document.getElementsByTagName(TagName);
	if(i_list!=null && i_list.length>0)
	{
		var d = document.getElementById(div_id);
		var dTop = findPosTop(d), dLeft = findPosLeft(d);
		var o;
		var oTop, oLeft;
		var s=hide? 'hidden': 'visible';
		for(var i=0; i<i_list.length; i++)
		{
			o = i_list.item(i); oTop = findPosTop(o); oLeft = findPosLeft(o);
			if( (oTop>=dTop && oTop<=dTop+d.offsetHeight) && (oLeft>=dLeft && oLeft<=dLeft+d.offsetWidth) )
				o.style.visibility = s;
		}
	}
}

function __ObjHide(hide, id)
{
	try
	{
		var s=hide? 'hidden': 'visible';
		var o = document.getElementById(id);
		o.style.visibility = s;
	}
	catch(e) {}
}


function findPosLeft(obj)
{
	var curleft = 0;
	if (obj.offsetParent)
	{
		while (obj.offsetParent) {curleft += obj.offsetLeft;obj = obj.offsetParent;}
	}
	else if (obj.x)
		curleft += obj.x;
	return curleft;
}

function findPosTop(obj)
{
	var curtop = 0;
	if (obj.offsetParent)
	{
		while (obj.offsetParent) {curtop += obj.offsetTop;obj = obj.offsetParent;}
	}
	else if (obj.y)
		curtop += obj.y;
	return curtop;
}

function GetStyle(obj)
{
	var sheets = document.styleSheets;
	for (var i=0; i<sheets.length; i++) 
	{
	    try{ var rules = isIE? sheets[i].rules: sheets[i].cssRules; }
	    catch(e){}
		for (var j=0; j<rules.length; j++) 
		{
			//alert('styleSheets index:' + i + ' * rules[' + j + '].selectorText=' + rules[j].selectorText);
			if(rules[j].selectorText == ('.' + obj.className))
				return rules[j].style;
		}
	}	
	return null;
}

function ShowPopupDiv(div_id, tb_id, show, cssView, cssHidden, moveToMouse)
{
	var o  = document.getElementById(tb_id); var d  = document.getElementById(div_id);
	if(show)
	{
		if(d.className!=cssView)
		{
			d.className = cssView;
			var _style = GetStyle(d);

			if(_style.top=='auto')
				d.style.top = findPosTop(o) + o.offsetHeight + 'px';

			if(_style.left=='auto')
			{
				if(moveToMouse)
				{
					var w_x
					if(isIE)
						w_x = window.event.x;
					else
						w_x = findPosLeft(o);
					d.style.left = w_x + 'px';
				}
				else
					d.style.left = findPosLeft(o) + 'px';
			}
			ObjHide(div_id, true);
			try{startOpacityChange(div_id, cssHidden, 0);}
			catch(e){}
		}
	}else{
		if(d.className!=cssHidden)
		{
			ObjHide(div_id, false);
			d.className = cssHidden;
		}
	}
}

function HideDiv(div_id, cssHidden)
{
	var d  = document.getElementById(div_id);
	ObjHide(div_id, false);
	d.className = cssHidden;
}

function WaitVisible()
{
	try
	{
		var obj = document.getElementById('_div_SplashScreen');
		obj.style.visibility = 'visible';
	}
	catch(e) {}
}