function getWindowHeight() {
			var windowHeight = 0;
			if (typeof(window.innerHeight) == 'number') {
				windowHeight = window.innerHeight;
			}
			else {
				if (document.documentElement && document.documentElement.clientHeight) {
					windowHeight = document.documentElement.clientHeight;
				}
				else {
					if (document.body && document.body.clientHeight) {
						windowHeight = document.body.clientHeight;
					}
				}
			}
			return windowHeight;
		}
		function setContent() {
			if (document.getElementById) {
				var windowHeight = getWindowHeight();
				if (windowHeight > 0) {
					var contentElement = document.getElementById('contenedor');
					var contentHeight = contentElement.offsetHeight;
					if (windowHeight - contentHeight > 0) {
						contentElement.style.position = 'relative';
						contentElement.style.top = ((windowHeight / 2) - (contentHeight / 2)) + 'px';
					}
					else {
						contentElement.style.position = 'static';
					}
				}
			}
		}
		window.onload = function() {
			setContent();
		}
		window.onresize = function() {
			setContent();
		}



function swapImage(sImgName,sSrc)
{
if (document.getElementById) {
  		var theImg = eval( "document.images." + sImgName );
		theImg.src = sSrc;
		return;
		}
}


function preLoadNav(nImagen1,nImagen2,nImagen3,nImagen4,nImagen5,nImagen6,nImagen7,nImagen8,nImagen9)
{

  imagenOn1 = new Image();
  imagenOn1.src = "images/" + nImagen1;
  imagenOn2 = new Image();
  imagenOn2.src = "images/" + nImagen2;
  imagenOn3 = new Image();
  imagenOn3.src = "images/" + nImagen3;
  imagenOn4 = new Image();
  imagenOn4.src = "images/" + nImagen1;
  imagenOn5 = new Image();
  imagenOn5.src = "images/" + nImagen2;
  imagenOn6 = new Image();
  imagenOn6.src = "images/" + nImagen3;
  imagenOn7 = new Image();
  imagenOn7.src = "images/" + nImagen1;
  imagenOn8 = new Image();
  imagenOn8.src = "images/" + nImagen2;
  imagenOn9 = new Image();
  imagenOn9.src = "images/" + nImagen3;
  
}

function preLoadInt(nImagen1,nImagen2,nImagen3,nImagen4,nImagen5,nImagen6,nImagen7,nImagen8,nImagen9,nImagen10,nImagen11,nImagen12,nImagen13)
{

  imagenOn1 = new Image();
  imagenOn1.src = "images/" + nImagen1;
  imagenOn2 = new Image();
  imagenOn2.src = "images/" + nImagen2;
  imagenOn3 = new Image();
  imagenOn3.src = "images/" + nImagen3;
  imagenOn4 = new Image();
  imagenOn4.src = "images/" + nImagen1;
  imagenOn5 = new Image();
  imagenOn5.src = "images/" + nImagen2;
  imagenOn6 = new Image();
  imagenOn6.src = "images/" + nImagen3;
  imagenOn7 = new Image();
  imagenOn7.src = "images/" + nImagen1;
  imagenOn8 = new Image();
  imagenOn8.src = "images/" + nImagen2;
  imagenOn9 = new Image();
  imagenOn9.src = "images/" + nImagen3;
  imagenOn10 = new Image();
  imagenOn10.src = "images/" + nImagen3;
  imagenOn11 = new Image();
  imagenOn11.src = "images/" + nImagen1;
  imagenOn12 = new Image();
  imagenOn12.src = "images/" + nImagen2;
  imagenOn13 = new Image();
  imagenOn13.src = "images/" + nImagen3;
  
}

function preLoadNav2(nImagen1,nImagen2,nImagen3,nImagen4,nImagen5,nImagen6,nImagen7,nImagen8,nImagen9,nImagen10,nImagen11)
{

  imagenOn1 = new Image();
  imagenOn1.src = "images/" + nImagen1;
  imagenOn2 = new Image();
  imagenOn2.src = "images/" + nImagen2;
  imagenOn3 = new Image();
  imagenOn3.src = "images/" + nImagen3;
  imagenOn4 = new Image();
  imagenOn4.src = "images/" + nImagen1;
  imagenOn5 = new Image();
  imagenOn5.src = "images/" + nImagen2;
  imagenOn6 = new Image();
  imagenOn6.src = "images/" + nImagen3;
  imagenOn7 = new Image();
  imagenOn7.src = "images/" + nImagen1;
  imagenOn8 = new Image();
  imagenOn8.src = "images/" + nImagen2;
  imagenOn9 = new Image();
  imagenOn9.src = "images/" + nImagen3;
  imagenOn10 = new Image();
  imagenOn10.src = "images/" + nImagen3;
   imagenOn11 = new Image();
  imagenOn11.src = "images/" + nImagen3;
  
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function P7_VScroller(el,dr,ty,oy,spd) { //v1.7 by PVII
 var g,gg,fr,sp,pa='',slw=true,m=false,h,ly;ty=parseInt(ty);
 if((g=MM_findObj(el))!=null){gg=(document.layers)?g:g.style;}else{return;}
 if(dr=="Stop"){if(g.toMove){clearTimeout(g.p7Magic);}g.toMove=false;}
 if((parseInt(navigator.appVersion)>4 || navigator.userAgent.indexOf("MSIE")>-1)&& !window.opera){pa="px";}
 if(navigator.userAgent.indexOf("NT")>-1 || navigator.userAgent.indexOf("Windows 2000")>-1){slw=false;}
 if(spd=="Slow"){sp=(slw)?2:1;fr=(slw)?40:30;}else if(spd=="Medium"){sp=(slw)?4:1;fr=(slw)?40:10;
 }else{sp=(slw)?8:4;fr=(slw)?40:10;}if(spd=="Warp"){sp=5000;}var yy=parseInt(gg.top);if(isNaN(yy)){
 if(g.currentStyle){yy=parseInt(g.currentStyle.top);}else if(document.defaultView&&document.defaultView.getComputedStyle){
 yy=parseInt(document.defaultView.getComputedStyle(g,"").getPropertyValue("top"));}else{yy=0;}}
 if(document.all || document.getElementById){h=parseInt(g.offsetHeight);
 if(!h){h=parseInt(g.style.pixelHeight);}
 }else if(document.layers){h=parseInt(g.clip.height);}ly=ty+parseInt(oy)-h;
 if(dr=="Down"){if(yy>ly){m=true;yy-=sp;if(yy<ly){yy=ly;}}}
 if(dr=="Up"){if(yy<ty){m=true;yy+=sp;if(yy>ty){yy=ty;}}}
 if(dr=="Reset"){gg.top=ty+pa;if(g.toMove){clearTimeout(g.p7Magic);}g.toMove=false;}
 if(m){gg.top=yy+pa;if(g.toMove){clearTimeout(g.p7Magic);}g.toMove=true;
  eval("g.p7Magic=setTimeout(\"P7_VScroller('"+el+"','"+dr+"',"+ty+","+oy+",'"+spd+"')\","+fr+")");
 }else{g.toMove=false;}
}



function menRollover(Idfondo,Idletras){
if (document.getElementById) {
var fondo=document.getElementById(Idfondo);
var letras=document.getElementById(Idletras);

fondo.style.backgroundColor='#00cc00';
letras.style.color='#ffffff';
}
}

function menRollout(Idfondo,Idletras){
if (document.getElementById) {
var fondo=document.getElementById(Idfondo);
var letras=document.getElementById(Idletras);

fondo.style.backgroundColor='';
letras.style.color='';
}
}

function openWnd( sUrl, sName, top, left, width, height )
{
	var oWnd    = null;
	var sParams = "";

	sParams += "top="     + top;
	sParams += ",left="   + left;
	sParams += ",width="  + width;
	sParams += ",height=" + height;
	sParams += ",toolbar=0,location=0,directories=0,menubar=0,resizable=0,scrollbars=0";

	oWnd = window.open( sUrl, sName, sParams );
	//oWnd.focus();
	//window.close();
}