/** Author Keishi Takashima**/
document.observe("dom:loaded", function() {				
	$$('.input-box', '.textarea-box').invoke('observe', 'focus', clearText );
	var valid = new Validation('comment_form' , {onSubmit:false});	
	$('send').observe('click', function(){
    	var result = valid.validate();
		if( result )
			$('comment_form').submit();
	});
});


function clearText(event){
	var thefield = event.element();
	if (thefield.defaultValue==thefield.value)
		thefield.value = ""
	thefield.setStyle({'color':'#000'});
}