// test value for day entry in date
function test_date_day(val)
{
  var pattern = /^[1-9]\d{0,1}$/;

  if( val.match(pattern)==null )
  {
    return false;
  }
  
  return true;
}

// test value for year entry in date
function test_date_year(val)
{
  var pattern = /^[1-9]\d{3}$/;

  if( val.match(pattern)==null)
  {
    return false;
  }
  return true;
}

// test number (maximum length is 32 digits)
function test_number(val)
{
  var pattern = /^\d{1,32}$/;

  if( val.match(pattern)==null)
  {
    return false;
  }
  return true;
}

// test email - approximate
function test_email(val)
{
  var pattern = /^\w+([\+\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/
  if( pattern.test(val) )
  {
    return true;
  }
  return false;
}

// 
function test_phone_number(val) {
  var pattern = /[0-9]{3}-[0-9]{3}-[0-9]{4}/;

  if( val.match(pattern)==null) {
    return false;
  }
  return true;
}

function test_radiobutton(rd) {
	pass = false;
	for (i=rd.length-1; i > -1; i--) {		
		if (rd[i].checked == true) {
			pass = true;			
			break;			
		}
	}
	return pass;
}

function test_selectbox(sb) {	
	if (sb.options[sb.selectedIndex].value == 0 ) {
		return false;
	}
	return true;
}

function test_checkbox(cb) {
	pass = false;
	for (i=cb.length-1; i > -1; i--) {		
		if (cb[i].checked == true) {
			pass = true;			
			break;			
		}
	}
	return pass;
}

function get_myelement(obj) {
  if(document.getElementById){ //DOM
    css = document.getElementById(obj).style;
  } else {
    if(document.all){// IE
    	css = document.all[obj].style;
    }
    if(document.layers){//NS
      css = document.layers[obj];
    }
  }
   return css;
}

function test_date(y,m,d) { 
	
	if (m.charAt(0) == "0") { 
		m = parseInt(m.charAt(1)) - 1; 
	} else { 
		m = parseInt(m)-1; 
	} 
	
	if (d.charAt(0) == "0") { 
		d = parseInt(d.charAt(1)); 
	} 
	
	var check = new Date(); 
	check.setFullYear(y,m,d); 
	
	mytest = check.getFullYear() + "-" + check.getMonth()+ "-" + check.getDate(); 
	mydate = y+"-"+ m+"-"+d; 
	
	if (mydate != mytest) { 
		return false; 
	} 
	return true; 
}