var docLoaded=false;

function se_on()
{
 if (docLoaded){
   document.images[12].src="images/mmline.gif"
   document.images[14].src="images/mmline.gif"
   document.images[16].src="images/bmline.gif"
   document.images[18].src="images/fr-26.gif"
   document.images[19].src="images/hint-01.gif"
   document.images[20].src="images/fr-28.gif"
 }
}

function se_off()
{
 if (docLoaded){
   document.images[12].src="images/tmline.gif"
   document.images[14].src="images/tmline.gif"
   document.images[16].src="images/tmline.gif"
   document.images[18].src="images/fr-261.gif"
   document.images[19].src="images/spacer.gif"
   document.images[20].src="images/spacer.gif"
 }
}

function tt_on()
{
 if (docLoaded){
   document.images[12].src="images/tmline.gif"
   document.images[14].src="images/mmline.gif"
   document.images[16].src="images/bmline.gif"
   document.images[18].src="images/fr-26.gif"
   document.images[19].src="images/hint-02.gif"
   document.images[20].src="images/fr-28.gif"
 }
}
function tt_off()
{
 if (docLoaded){
   document.images[12].src="images/tmline.gif"
   document.images[14].src="images/tmline.gif"
   document.images[16].src="images/tmline.gif"
   document.images[18].src="images/fr-261.gif"
   document.images[19].src="images/spacer.gif"
   document.images[20].src="images/spacer.gif"
 }
}

function wd_on()
{
 if (docLoaded){
   document.images[12].src="images/tmline.gif"
   document.images[14].src="images/tmline.gif"
   document.images[16].src="images/mmline.gif"
   document.images[18].src="images/fr-26.gif"
   document.images[19].src="images/hint-03.gif"
   document.images[20].src="images/fr-28.gif"
 }
}
function wd_off()
{
 if (docLoaded){
   document.images[12].src="images/tmline.gif"
   document.images[14].src="images/tmline.gif"
   document.images[16].src="images/tmline.gif"
   document.images[18].src="images/fr-261.gif"
   document.images[19].src="images/spacer.gif"
   document.images[20].src="images/spacer.gif"
 }
}