window.addEvent('domready',function() {
    $('form').addEvent('submit',function(e) {
    		var flag = true;
		var onsubmit_function = $('form').callonsubmit;
		var agree = $('agree');
		var email_me = $('email_me');
		
		if (agree){
			if (agree.checked == false){
				return;
			}
		}
		if (email_me){
			if (email_me.checked == false){
				return;
			}
		}
		if (onsubmit_function){
			flag = onsubmit_function();
		}	
		if (flag != false){
			if (navigator.appName == "Microsoft Internet Explorer"){
				$('image_field').setAttribute('style','opacity:0.5;filter:alpha(opacity=50);width:131;height:34;');
				$('image_field').disabled=1;
			}else{
				$('snipper').setStyle('display','block');
				$('image_field').setStyle('display','none');
			}
		}else{
			new Event.stop(e);
		}
	});
});