/***********************************************
* Textarea Maxlength script- © Dynamic Drive (www.dynamicdrive.com)
* This notice must stay intact for legal use.
* Visit http://www.dynamicdrive.com/ for full source code
***********************************************/

function ismaxlength(obj){
var mlength=obj.getAttribute? parseInt(obj.getAttribute("maxlength")) : ""
if (obj.getAttribute && obj.value.length>mlength)
	obj.value=obj.value.substring(0,mlength)
}
// Prelevato ed illustrato su http://www.web-link.it
if ( document.all )
{
	function blink_show()
	{
		blink_tags  = document.all.tags('blink');
		blink_count = blink_tags.length;
		for ( i = 0; i < blink_count; i++ )
		{
			blink_tags[i].style.visibility = 'visible';
		}
		
		window.setTimeout( 'blink_hide()', 700 );
	}
	
	function blink_hide()
	{
		blink_tags  = document.all.tags('blink');
		blink_count = blink_tags.length;
		for ( i = 0; i < blink_count; i++ )
		{
			blink_tags[i].style.visibility = 'hidden';
		}
		
		window.setTimeout( 'blink_show()', 250 );
	}
	
	window.onload = blink_show;
}
// prelevato su web-link.it


var state = 'none';

function showhide(layer_ref) {

if (state == 'block') {
state = 'none';
}
else {
state = 'block';
}
if (document.all) { //IS IE 4 or 5 (or 6 beta)
eval( "document.all." + layer_ref + ".style.display = state");
}
if (document.layers) { //IS NETSCAPE 4 or below
document.layers[layer_ref].display = state;
}
if (document.getElementById &&!document.all) {
hza = document.getElementById(layer_ref);
hza.style.display = state;
}
}