Utilities = {};

Utilities.getElement = function(i)
{
  return document.getElementById(i);
}

Utilities.Inditas = function()
{
	Utilities.Latszik=1;
 // setInterval(Utilities.Villogas,700);
}

Utilities.Villogas = function()
{
  if (Utilities.Latszik==1)
	{
		Utilities.getElement('rendezveny_v').style.visibility="hidden";
		Utilities.Latszik=0;
	}
	else
	{
		Utilities.getElement('rendezveny_v').style.visibility="visible";
		Utilities.Latszik=1;
	};
}

Utilities.AblakNyitas = function()
{
	Utilities.getElement("ablak").style.top = Utilities.CenterHeight("ablak",300)+'px';
	Utilities.getElement("ablak").style.left = Utilities.CenterWidth("ablak",0)+'px';
	Utilities.getElement("ablak").style.visibility="visible";
}

Utilities.AblakZaras = function()
{
	Utilities.getElement("ablak").style.visibility="hidden";
}

Utilities.CenterWidth = function(obj, eltolas)
{
	var w;
	if (window.innerWidth)
	  {
	    w = window.innerWidth;
	  }
	  else if ( document.documentElement && ( document.documentElement.clientWidth || document.documentElement.clientHeight ))
	  	{
		    w = document.documentElement.clientWidth;
		  }
		  else if( document.body && ( document.body.clientWidth || document.body.clientHeight ))
		    {
		      w = document.body.clientWidth;
		    }
	return Math.round((w - Utilities.getElement(obj).offsetWidth) / 2 - eltolas);
}

Utilities.CenterHeight = function(obj, eltolas)
{
	var h;
	if (window.innerWidth)
	  {
		  h = window.innerHeight;
		  felso = self.pageYOffset;
	  }
	  else if ( document.documentElement && ( document.documentElement.clientWidth || document.documentElement.clientHeight ))
	  	{
		    h = document.documentElement.clientHeight;
		    felso = document.documentElement.scrollTop;
		  }
		  else if( document.body && ( document.body.clientWidth || document.body.clientHeight ))
		    {
		      h = document.body.clientHeight;
		      felso = document.body.scrollTop;
		    }
	return Math.round((h - Utilities.getElement(obj).offsetHeight) / 2 - eltolas)+felso;
}