/*
FUN????ES B??SICAS
*/

//SHOW ----------------------------------------------------------------------
function show (layer_ref)
{
	state = '';
	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)
	{
		maxwell_smart = document.getElementById(layer_ref);
		maxwell_smart.style.display = state;
	}	
}
//HIDE ----------------------------------------------------------------------
function hide (layer_ref)
{
	state = 'none';
	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)
	{
		maxwell_smart = document.getElementById(layer_ref);
		maxwell_smart.style.display = state;
	}	
}
//TOGGLE ----------------------------------------------------------------------
function toggle (layer_ref)
{
	if (document.all)
	{ //IS IE 4 or 5 (or 6 beta)
		var qual = eval( "document.all." + layer_ref + ".style.display");
		if(qual == ''){state = 'none';}else{state = '';}		
		eval( "document.all." + layer_ref + ".style.display = state");
	}
	if (document.layers)
	{ //IS NETSCAPE 4 or below
		var qual = document.layers[layer_ref].display;
		if(qual == ''){state = 'none';}else{state = '';}
		document.layers[layer_ref].display = state;
	}
	if (document.getElementById && !document.all)
	{
		maxwell_smart = document.getElementById(layer_ref);
		if(maxwell_smart.style.display == ''){state = 'none';}else{state = '';}
		maxwell_smart.style.display = state;
	}	
}


//GENERIC INPUT MSG ----------------------------------------------------------------------
/*function inputFocus(id, msg){
	var n=document.getElementById(id);
	if(n.value == msg){
		n.value='';
	}
}
function inputBlur(id, msg){
	var n=document.getElementById(id);
	if(n.value == ''){
		n.value = msg;
	}
}
*/