if(document.images){
	ftover = new Array(6);
	ftout = new Array(6);
	for(var n=1;n<=6;n++)
	
	{
	ftover[n]=new Image();
    ftout[n]=new Image();
	ftover[n].src="images/crdc_nav0"+n+"_r.gif";
    ftout[n].src="images/crdc_nav0"+n+"_n.gif";
    }
}



function tabOn(i) {
     if(document.images)
           document.images["ft"+i].src=ftover[i].src;
}

function tabOff(i) {
      if(document.images)
           document.images["ft"+i].src=ftout[i].src;
}