if (document.images)
{
	homeon =new Image();  homeon.src ="images/home_on.gif";
	homeoff=new Image(); homeoff.src ="images/home_off.gif";
	
	infoon =new Image();  infoon.src ="images/info_on.gif";
	infooff=new Image(); infooff.src ="images/info_off.gif";
	
	instellingenon =new Image(); instellingenon.src ="images/instellingen_on.gif";
	instellingenoff=new Image(); instellingenoff.src ="images/instellingen_off.gif";
	
	systemsetupon =new Image(); systemsetupon.src ="images/systemsetup_on.gif";
	systemsetupoff=new Image(); systemsetupoff.src ="images/systemsetup_off.gif";
	
	portfolioon =new Image(); portfolioon.src ="images/portfolio_on.gif";
	portfoliooff=new Image(); portfoliooff.src ="images/portfolio_off.gif";
	
	pdfon =new Image(); pdfon.src ="images/pdf_on.gif";
	pdfoff=new Image(); pdfoff.src ="images/pdf_off.gif";
	
	pdfenon =new Image(); pdfenon.src ="images/pdf_en_on.gif";
	pdfenoff=new Image(); pdfenoff.src ="images/pdf_en_off.gif";
	
	copyrighton =new Image(); copyrighton.src ="images/copyright_on.gif";
	copyrightoff=new Image(); copyrightoff.src ="images/copyright_off.gif";
	
	contacton =new Image(); contacton.src ="images/contact_on.gif";
	contactoff=new Image(); contactoff.src ="images/contact_off.gif";
	
	linkenon =new Image(); linkenon.src ="images/linken_on.gif";
	linkenoff=new Image(); linkenoff.src ="images/linken_off.gif";
	
	linkson =new Image(); linkson.src ="images/links_on.gif";
	linksoff=new Image(); linksoff.src ="images/links_off.gif";
	
	arrowon 	= new Image(); arrowon.src 		="images/arrow.gif";
	arrowoff	= new Image(); arrowoff.src		="images/pixel_black.gif";
	arrowonbig	= new Image(); arrowonbig.src	="images/arrowbig.gif";
	arrowoffbig	= new Image(); arrowoffbig.src	="images/pixel_black.gif";

}
	
	function arrowrollover(theSource, theState, arrowstate)	{
		document.images[theSource].src = eval(theSource + theState + ".src");
		
		theSource = theSource + "arrow" ;
		
		document.images[theSource].src = eval("arrow" + arrowstate + ".src");
	}
	
	function rollover(theSource, theState)	{
		document.images[theSource].src = eval(theSource + theState + ".src");
	}