/* And all that Malarkey // Trimming form elements



Please feel free to use this JavaScript file in any way that you like, although please

keep the comments intact and a link back to http://www.stuffandnonsense.co.uk/archives/trimming_form_fields.html

would be appreciated.



If you come up with a stunning design based on this technique, it would be really nice

if you would post a comment containing a URL on 

http://www.stuffandnonsense.co.uk/archives/trimming_form_fields.html#Comments 



Thanks to Brothercake (http://www.brothercake.com/) for his help with the Javascript.

His fantastic UDM 4 fully-featured and accessible website menu system is a must!

(http://www.udm4.com/) */



window.onload = function()

{

	if(document.getElementById)

	{

		var linkContainer = document.getElementById('fm-intro');

		var linebreak = linkContainer.appendChild(document.createElement('br'));

		var toggle = linkContainer.appendChild(document.createElement('a'));

		toggle.href = '#';

		toggle.appendChild(document.createTextNode(' Ocultar campos opcionales?'));

		toggle.onclick = function()

		{

			var linkText = this.firstChild.nodeValue;

			this.firstChild.nodeValue = (linkText == ' Ocultar campos opcionales?') ? ' Mostrar campos opcionales?' : ' Ocultar campos opcionales?';

			

			var tmp = document.getElementsByTagName('div');

			for (var i=0;i<tmp.length;i++)

			{

				if(tmp[i].className == 'fm-opt')

				{

					tmp[i].style.display = (tmp[i].style.display == 'none') ? 'block' : 'none';

				}

			}

			return false;

		}

	}

}