var ladattu = false;
 
	function preload(){
        if (document.images) {
				navi_1a = new Image();
				navi_1a.src = "http://www.parisuhdeapua.fi/images/navi/01_a.gif";
				navi_1b = new Image();
				navi_1b.src = "http://www.parisuhdeapua.fi/images/navi/01_b.gif";
				navi_2a = new Image();
				navi_2a.src = "http://www.parisuhdeapua.fi/images/navi/02_a.gif";
				navi_2b = new Image();
				navi_2b.src = "http://www.parisuhdeapua.fi/images/navi/02_b.gif";
				navi_3a = new Image();
				navi_3a.src = "http://www.parisuhdeapua.fi/images/navi/03_a.gif";
				navi_3b = new Image();
				navi_3b.src = "http://www.parisuhdeapua.fi/images/navi/03_b.gif";
				navi_4a = new Image();
				navi_4a.src = "http://www.parisuhdeapua.fi/images/navi/04_a.gif";
				navi_4b = new Image();
				navi_4b.src = "http://www.parisuhdeapua.fi/images/navi/04_b.gif";
				navi_5a = new Image();
				navi_5a.src = "http://www.parisuhdeapua.fi/images/navi/05_a.gif";
				navi_5b = new Image();
				navi_5b.src = "http://www.parisuhdeapua.fi/images/navi/05_b.gif";
				navi_6a = new Image();
				navi_6a.src = "http://www.parisuhdeapua.fi/images/navi/06_a.gif";
				navi_6b = new Image();
				navi_6b.src = "http://www.parisuhdeapua.fi/images/navi/06_b.gif";

				gui_hakua = new Image();
				gui_hakua.src = "http://www.parisuhdeapua.fi/images/navi/08_a.gif";
				gui_hakub = new Image();
				gui_hakub.src = "http://www.parisuhdeapua.fi/images/navi/08_b.gif";
						
				}			
				ladattu = true;
	}

function onID(chimgName, numero) {
  if (ladattu) {
   	if (document.images) { 
        document.images[chimgName + numero].src = eval(chimgName + "_b.src");
   	}
	}
}
  
function offID(chimgName, numero) {
  if (ladattu) {
    if (document.images) {
      document.images[chimgName + numero].src = eval(chimgName + "_a.src");
		}
	}
}
		
	kuvat = new Array(1);
kuvat[0] = "<img src='http://www.parisuhdeapua.fi/images/quotes/1.gif' alt='' />";
	
	index = Math.floor(Math.random() * kuvat.length);	
	
	function on(imgName) {
  	if(ladattu) {
      if (document.images) 
        document.images[imgName].src = eval(imgName + "b.src");
  	}
  }
  
  function off(imgName) {
  	if(ladattu) {
    if (document.images)
      document.images[imgName].src = eval(imgName + "a.src");
		}
  }
  
function alkuPeraisetArvot() {
	var dokumentti = document;
	if (!dokumentti.getElementById) { return; }
	var kentat = alkuPeraisetArvot.arguments;
	for (var i = 0; i<kentat.length; i++) {
		kentta = dokumentti.getElementById(kentat[i]);
		if (kentta) {
			kentta.oletusArvo = kentta.value;
			kentta.onfocus	= tyhjenna
			kentta.onblur	= nollaa
			}
		}
	}
function tyhjenna() {
	if (this.value == this.oletusArvo) {
		this.value = "";
		}
	}
function nollaa() {
	if (tyhja(this.value)) {
		this.value = this.oletusArvo;
		}
	this.blur();
	}

function tyhja(arvo) {
	var eiSisaltoa = /^\s*$/
	return eiSisaltoa.test(arvo)
	}
	
function kaynnista() {
	preload();
	alkuPeraisetArvot('hakutermi','tunnus','salasana');
}

function toggleNavi(alue) {
   obj=document.getElementById(alue);
   visible=(obj.style.display!="none")
   key=document.getElementById("toggler_" + alue);
   if (visible) {
     obj.style.display="none";
     key.innerHTML="<img src=\"http://www.parisuhdeapua.fi/images/icons/plus.gif\" alt=\"Avaa\" />";
   } else {
      obj.style.display="block";
      key.innerHTML="<img src=\"http://www.parisuhdeapua.fi/images/icons/miinus.gif\"  alt=\"Sulje\" />";
   }
}

var tila = new Array();
function toggle(ID){
			if(tila[ID]==1){
				tila[ID] = 0;
				document.getElementById(ID).style.display = "block";
				document.getElementById(ID).style.display = "none";
			}else{
				tila[ID] = 1;
				document.getElementById(ID).style.display = "none";
				document.getElementById(ID).style.display = "block";
			}
}

function goBack()
	{
		var agt=navigator.userAgent.toLowerCase();
		var is_major = parseInt(navigator.appVersion);
		var is_nav = ((agt.indexOf('mozilla')!=-1) && (agt.indexOf('spoofer')==-1) && (agt.indexOf('compatible') == -1));
		var is_nav5up = (is_nav && (is_major >= 5));

		if (is_nav5up)
		{
			location.href = "yhteydenotto.php"
		}
  	else
		{
			history.go(-1);
		}
}

window.onload = kaynnista;