// 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 =  /.*@.*\..*/;

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

function test_phone_number(val) {
  var pattern = /[^0-9, ]/;

  if( val.match(pattern)) {
    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 get_radiobutton(rd) {
	for (i=rd.length-1; i > -1; i--) {		
		if (rd[i].checked == true) {		
			return rd[i].value;
			break;			
		}
	}
	return false;
}

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

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

function get_selectbox_value(sb) {
	return sb.options[sb.selectedIndex].value;
}

function get_selectbox_value_title(sb) {
	return sb.options[sb.selectedIndex].text;
}


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

function get_checkbox_status(cb, val) {
	for (i=cb.length-1; i > -1; i--) {
		if (cb[i].checked == true && cb[i].value == val) {
			return true;
			break;
		}
	}
	return false;
}

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; 
} 

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

function is_too_young() {
  byear = get_selectbox_value(frm.elements.year);    
  bmonth = get_selectbox_value(frm.elements.month); 
  bday = get_selectbox_value(frm.elements.day);
  if (byear == '' || bday == '' || bmonth == '') {
    return false;
  }
  under18 = false;  
  var myDate=new Date()
  
  if(byear != "" && bmonth != "" && bday != "") {
    if((myDate.getFullYear() -byear) < 18) {
      under18 = true;
    }
    else { 
      if((myDate.getFullYear() -byear) == 18 ) {
        if(myDate.getMonth()+1 < bmonth ) {
          under18 = true;
        }
        else {
          if((myDate.getMonth() +1) == bmonth ) {
            if(myDate.getDate() < bday ) {
              under18 = true;
            }
          }
        }
      }
    }
  }  
  return under18;

}

function IsNumeric(sText)
{
    var ValidChars = "0123456789";
    var IsNumber=true;
    var Char;
 
    for (i = 0; i < sText.length && IsNumber == true; i++) 
    { 
        Char = sText.charAt(i); 
        if (ValidChars.indexOf(Char) == -1) 
        {
            IsNumber = false;
        }
    }
    return IsNumber;
}