// JavaScript Document

var oldElement = null;
var currentElement = null;

function changeTxt(txt,el)
{
	if (currentElement == null)
		currentElement = el;
	else
	{
		oldElement = currentElement;
		currentElement = el;
	}
	
	if (oldElement != null)
	{
		oldElement.className = oldElement.className.replace('red','');
		currentElement.className += ' red';
	}
	else
	{
		currentElement.className += ' red';
	}
	

	document.getElementById('titulo').style.display = 'block';

	document.getElementById('op_00').style.display = 'none';
	document.getElementById('op_01').style.display = 'none';
	document.getElementById('op_02').style.display = 'none';
	document.getElementById('op_03').style.display = 'none';
	
	var divScrollHeight = null;
	
	document.getElementById(txt).style.display = 'block';
	
	var divScrollHeight = Number(document.getElementById('div_scroll').offsetHeight);
	
	if (divScrollHeight < 205)
	document.getElementById('cont_scroll').style.display = 'none';
	else
	document.getElementById('cont_scroll').style.display = 'block';
	
	resetScroll();
}

function mainmenu(){
$("#nav li.menu2").hover(
function(){ $(this).find('ul:first').css({visibility: "visible",display: "none"}).show(); },
function(){ $(this).find('ul:first').css({visibility: "hidden"}); });
}
function pest(id){
	//alert(id);
	if(id == 'tab01'){
		$("#tab02").hide();
		$("#tab03").hide();
		$("#tab01").show();
		}
	if(id == 'tab02'){
		document.getElementById('tab02').style.display = 'block';
		document.getElementById('tab01').style.display = 'none';
		document.getElementById('tab03').style.display = 'none';
		}
	if(id == 'tab03'){
		$("#tab02").hide();
		$("#tab01").hide();
		$("#tab03").show();
		}
	}




$(document).ready(function() {
	mainmenu();
	
	$(".menutabs a").click( function() { 
		//alert(this.rel);
		pest(this.rel);
		//$(".tab").hide();
		//$("#"+this.rel).show();
		/*
		if(this.rel = 'tab02'){
			var divScrollHeight = Number(document.getElementById('div_scroll').offsetHeight);
			resetScroll();
		}else{
			var divScrollHeight = null;
		}
		*/
		return false;
	} );
	
});