/**
*	global js methods for wevin.de
* 	$Id: global.js 14 2009-05-27 11:26:47Z  $
*	project:		trunk
*	all rights at:	daniel.liebig@wevin.de
**/

// preload images (for IE.6.x)
Img1 = new Image();
Img2 = new Image();
Img1o = new Image();
Img2o = new Image();
Img1.src = '/img/left.jpg';
Img2.src = '/img/right.jpg';
Img1o.src = '/img/left_a.jpg';
Img2o.src = '/img/right_a.jpg';

function swapIn(Img)
{
	if ( !Img )
	{
		return;
	}
	if ( Img.src.substr(Img.src.length - 6) == '_a.gif' )
	{
		return;
	}
	overImgSrc 	= Img.src.substr(0, (Img.src.length - 6) ) + '_o.gif';
	Img.src		= overImgSrc;
}

function swapOut(Img)
{
	if ( !Img )
	{
		return;
	}
	if ( Img.src.substr(Img.src.length - 6) == '_a.gif' )
	{
		return;
	}
	outImgSrc 	= Img.src.substr(0, (Img.src.length - 6) ) + '_n.gif';
	Img.src		= outImgSrc;
}

function swapMainIn(Img)
{
	if ( !Img )
	{
		return;
	}
	overImgSrc 	= Img.src.substr(0, (Img.src.length - 4) ) + '_a.jpg';
	Img.src		= overImgSrc;
}

function swapMainOut(Img)
{
	if ( !Img )
	{
		return;
	}
	outImgSrc 	= Img.src.substr(0, (Img.src.length - 6) ) + '.jpg';
	Img.src		= outImgSrc;
}

function setNpActive(Img)
{
	if ( !Img )
	{
		return;
	}
	outImgSrc 	= Img.src.substr(0, (Img.src.length - 6) ) + '_a.gif';
	Img.src		= outImgSrc;
}

function setNpNormal(Img)
{
	if ( !Img )
	{
		return;
	}
	outImgSrc 	= Img.src.substr(0, (Img.src.length - 6) ) + '_n.gif';
	Img.src		= outImgSrc;
}

function showMainContent(location)
{
	imgId = "main" + location + "Img";
	if (location == 'Left')
	{
//		setNpNormal($('npImpressum'));
//		setNpActive($('npKontakt'));
		$('mainRightImg').style.display = 'block';
	}
	else
	{
//		setNpNormal($('npKontakt'));
//		setNpActive($('npImpressum'));
		$('mainLeftImg').style.display = 'block';
	}
	Effect.Fade(imgId,{ duration: 0.75 });
}

/* draft, only tested for right */
function swapMainContent(location)
{
	imgId = "main" + location + "Img";
	
//	alert ($('mainRightImg').style.display);

	if ($(imgId).style.display == 'none' )
	{
		Effect.Appear(imgId,{ duration: 0.75 });
	}
	else
	{
		showMainContent(location);
	}

}