function change(color){
var el=event.srcElement
if (el.tagName=="INPUT"&&el.type=="submit")
event.srcElement.style.backgroundColor=color;
}

/*-----------------------------------------------------------------------------*/
function open_img(name, wd, hg) {
window.open(name,"","toolbar=no,scrollbars=0,resizable=1,width="+wd+",height="+hg);}