function OptRoll (id) {
var imglst, imglst2, base, dir, placeholder,regmatch;
imglst=['button_on.gif'];
imglst2=['button_off.gif'];
base="options"+id;
dir="/images/";
placeholder=dir+imglst[id];
regmatch=new RegExp(placeholder);
if (regmatch.test(document.images[base].src)) {
document.images[base].src=dir+imglst2[id];
} else {
document.images[base].src=placeholder;
}
}

function OptPreload () {
var tmpm,image,imglst2,dir;
imglst2=['button_off.gif'];
dir="/images/";
for(tmp=0;tmp<imglst2.length;++tmp) {
image=new Image();
image.src=dir+imglst2[tmp];
}
}
OptPreload();

// not flexable
function OptRoll2 (id) {
var imglst, imglst2, base, dir, placeholder,regmatch;
//		0			1		2			3
imglst=['save_button_on.gif','approve_button_on.gif','delete_button_on.gif','reject_button_on.gif'];
imglst2=['save_button_off.gif','approve_button_off.gif','delete_button_off.gif','reject_button_off.gif'];
base="options"+id;
dir="/images/";
placeholder=dir+imglst[id];
regmatch=new RegExp(placeholder);
if (regmatch.test(document.images[base].src)) {
document.images[base].src=dir+imglst2[id];
} else {
document.images[base].src=placeholder;
}
}