function chPic(imagen){
	eval("document.getElementById('"+imagen+"').src = 'http://www.jadiazsl.com/images/misc/"+imagen+"_on.gif'");
}
function chPicOut(imagen){
	eval("document.getElementById('"+imagen+"').src = 'http://www.jadiazsl.com/images/misc/"+imagen+"_off.gif'");
}