function setlbimage(anc,seq,swap,image_set){anc='im-'+anc;if(document.getElementById(anc))
{document.getElementById(anc).src=swap;seq++;document.getElementById(anc).onclick=function(){GB_showImageSet(image_set,seq)};}}
function gb_setimage(img,anc){if(eval('window.gbset_'+anc)&&(!img.onclick))
{img.style.cursor='pointer';img.onclick=function(){GB_showImageSet(eval('window.gbset_'+anc),1)}}}
function auxbutton(anc){imgid='im-'+anc;if(document.getElementById(imgid))
{var mainimg=document.getElementById(imgid);gb_setimage(mainimg,anc);if(mainimg.onclick)mainimg.onclick();}}