function changestyle(target,style) {
target.className = style;
return true;
}

function submit_form(target_id)
{
	var target_element = document.getElementById(target_id);
	if (target_element)
	{
		target_element.submit();
	}
}

function submit_form2(name,submit_val)
{
	var target_element = document.getElementByName('submit');
	if (target_element)
	{
		target_element.value = submit_val;
	}
	var target_element = document.getElementByName(name);
	if (target_element)
	{
		target_element.submit();
	}
}

function toggle_display(target_id)
{
	var target_element = document.getElementById(target_id);
	if (target_element)
	{
		if (target_element.style.display == 'none')
		{
			target_element.style.display = 'block';
		}
		else
		{
			target_element.style.display = 'none';
		}
	}
}

function hide_target(target_id)
{
	var target_element = document.getElementById(target_id);
	if (target_element)
	{
		target_element.style.display = 'none';
	}
}

function show_target(target_id)
{
	var target_element = document.getElementById(target_id);
	if (target_element)
	{
		target_element.style.display = 'block';
	}
}

function popup_message(message)
{
	alert(message);
}

function set_checkbox_real_value(checkbox,hidden_field_id,checked_value,unchecked_value)
{
	var target_element = document.getElementById(hidden_field_id);
	if (target_element)
	{
		if (checkbox.checked)
		{
			target_element.value = checked_value;
		}
		else
		{
			target_element.value = unchecked_value;
		}
	}
}

function set_content(target_id,content)
{
	var target_element = document.getElementById(target_id);
	if (target_element)
	{
		target_element.innerHTML = content;
	}
}