var a = Math.ceil(Math.random() * 10);
var b = Math.ceil(Math.random() * 10);       
var c = a + b
function DrawBotBoot(){
	document.write("<b>"+ a + "</b> + <b>" + b +"</b>");
}   
    
function submitForm(form){
	var err = 0;
	$(form).getElements('input[check!=""],textarea').each(
		function(itm, idx){
			err += parseInt(eval('check'+itm.getProperty('check'))(itm.id,itm.getProperty('alert')));			
		}//each
	); 
	if(err==0) $(form).submit();
}//submitForm

function insertError(text,element){
	new Element('span', {
		'html': text,'id':'err_'+element,
		'class': 'formerror'      
	}).inject($(element), 'after');
}//insertError

function deleteError(element){
	$('err_'+element).destroy();
}//deleteError

function checkrequired(element,notice){
	if(isEmpty($(element).value)){ 
		if($chk($('err_'+element))) deleteError(element);		
		insertError(notice,element);
		return 1;
	}else{ 
		if($chk($('err_'+element))) deleteError(element);	
		return 0;
	}//if
}//checkrequired

function checkemail(element,notice){
	var re = /^[^\s()<>@,;:\/]+@\w[\w\.-]+\.[a-z]{2,}$/i
	if(!re.test($(element).value) || isEmpty($(element).value)){ 
		if($chk($('err_'+element))) deleteError(element);		
		insertError(notice,element);
		return 1;
	}else{ 
		if($chk($('err_'+element))) deleteError(element);	
		return 0;
	}//if
}//checkemail

function checkcode(element,notice){
	var d = $(element).value;
	if(d != c){ 
		if($chk($('err_'+element))) deleteError(element);		
		insertError(notice,element);
		return 1;
	}else{ 
		if($chk($('err_'+element))) deleteError(element);	
		return 0;
	}//if
}//checkcode

function checkdate(element,notice){
   var pattern = new RegExp("[0-3][0-9]/(0|1)[0-9]/(19|20)[0-9]{2}");
   
   if($(element).value.match(pattern)){
      var date_array = $(element).value.split('/');
      
      var day = date_array[0];
      var month = date_array[1] - 1;
      var year = date_array[2];

      source_date = new Date(year,month,day);

      if(year != source_date.getFullYear()){
		if($chk($('err_'+element))) deleteError(element);		
		insertError(notice,element);      
      	return 1;
      }//if
      if(month != source_date.getMonth()){ 
		if($chk($('err_'+element))) deleteError(element);		
		insertError(notice,element);      
      	return 1;
      }//if
      if(day != source_date.getDate()){ 
		if($chk($('err_'+element))) deleteError(element);		
		insertError(notice,element);      
      	return 1;
      }//if
   }else{
	if($chk($('err_'+element))) deleteError(element);		
	insertError(notice,element);   
    return 1;
   }//if
   if($chk($('err_'+element))) deleteError(element);	   
   return 0;
}//checkdate

function isEmpty(str){
	str = trim(str);
	return (str == null) || (str.length == 0);
}//isEmpty

function trim(value) {
  value = value.replace(/^\s+/,'');
  value = value.replace(/\s+$/,'');
  return value;
}

function checknumeric(element,notice){
   var strValidChars = "0123456789.-";
   var strChar;
   var blnResult = true;
   var strString = $(element).value;
   if (strString.length == 0){ 
	   if($chk($('err_'+element))) deleteError(element);
		insertError(notice,element);  	   
   		return 0;
	}//if

   for (i = 0; i < strString.length && blnResult == true; i++){
      strChar = strString.charAt(i);
      if (strValidChars.indexOf(strChar) == -1){ 
			if($chk($('err_'+element))) deleteError(element);		
			insertError(notice,element);  
		    return 1;			
      }//if
   }//for
   if($chk($('err_'+element))) deleteError(element);	      
   return 0;
}//IsNumeric