function PreloadImages(){if(!document.images||arguments.length==0)return;var tmp,j=arguments.length;for(var i=0;i<j;++i){tmp=new Image();tmp.src=arguments[i];}}
function RO(m){var s=document.images[m].src;if(s.lastIndexOf('_on.')>= 0)s=s.replace('_on.','_off.');else if(s.lastIndexOf('_off.')>= 0)s=s.replace('_off.', '_on.');document.images[m].src=s;}
function RON(m){var s=document.images[m].src;if(s.lastIndexOf('_off.')>=0)s=s.replace('_off.','_on.');document.images[m].src = s;}
function ROFF(m){var s=document.images[m].src;if(s.lastIndexOf('_on.')>= 0)s=s.replace('_on.','_off.');document.images[m].src = s;}
function PL(){var x=0,i,s;while(i=eval("document.images[x]")){x++;s=i.src;if(s.lastIndexOf('_off.')>=0){tmp=new Image();tmp.src=s.replace('_off.','_on.');}else if(s.lastIndexOf('_on.')>=0){tmp=new Image();tmp.src=s.replace('_on.','_off.');}}}