function prepareLinks(){
if (!document.getElementsByTagName) return false;
var input = document.getElementsByTagName("input");
for (var i=0; i<input.length; i++) {
//if ((input[i].id == undefined) || 
//(input[i].id == '')) continue;		
if (input[i].id == "send_bt") {
input[i].onclick = function() {			
xajax.$('send_bt').disabled=true;
xajax.$('preview_bt').disabled=true;
xajax_sendComment(xajax.getFormValues('formComment'));
return false;				
}
}
if (input[i].id == "preview_bt") {
input[i].onclick = function() {
xajax.$('send_bt').disabled=true;
xajax.$('preview_bt').disabled=true;
xajax_sendComment(xajax.getFormValues('formComment'),true);
return false;				
}
}
}
}

function addLoadEvent2(func) {
var oldonload = window.onload;
if (typeof window.onload != 'function') {
window.onload = func;
} else {
window.onload = function() {
oldonload();
func();
}
}
}

addLoadEvent2(prepareLinks);