/*
onload -> find menu items -> add events 

id=menu

a->event

id=menu2

a->event
*/

function numbersonly(myfield, e, dec)
{
var key;
var keychar;

if (window.event)
   key = window.event.keyCode;
else if (e)
   key = e.which;
else
   return true;
keychar = String.fromCharCode(key);

// control keys
if ((key==null) || (key==0) || (key==8) || 
    (key==9) || (key==13) || (key==27) )
   return true;

// numbers
else if ((("0123456789").indexOf(keychar) > -1))
   return true;

// decimal point jump
else if (dec && (keychar == "."))
   {
   myfield.form.elements[dec].focus();
   return false;
   }
else
   return false;
}


function calculate() {
	var naisi = $F('naisi');
	var mehi = $F('mehi');
	if(isNaN(naisi) || naisi=="") {
		naisi = 0;	
		
	}
	if(isNaN(mehi) || mehi=="") {
		mehi = 0;	
	}

	//naised
	var nkange = (parseInt(naisi)*3*4)/100; //liitriseid pudeleid
	var nlahja = (parseInt(naisi)*3*12)/75; //pudelite arv
	var nmitte = (parseInt(naisi)*3*20)/100; //liitriseid pudeleid
    
	//mehed  
	var mkange = (parseInt(mehi)*4*4)/100; //liitriseid pudeleid
	var mlahja = (parseInt(mehi)*4*12)/75; //pudelite arv
	var mmitte = (parseInt(mehi)*4*20)/100; //liitriseid pudeleid

	var kange = nkange+mkange;
	var lahja = nlahja+mlahja;
	var mitte = nmitte+mmitte;

	$('lahja').innerHTML = Math.round(lahja);
	$('kange').innerHTML = Math.round(kange);
	$('mitte').innerHTML = Math.round(mitte);
}

function menuHover(event) {
	var element = event.element();
	var img = this.down('img');
	if(img.src.include('_h.png') || (img.style && img.style.filter && img.style.filter.include('_h.png'))){
		this.selected = true;
	} else {
		if (img.src.include('blank.gif')) {	//IE6
			var src = img.style.filter.sub('.png', '_h.png', 1);	
			img.style.filter = src;
		} else {
			var src = img.src.sub('.png', '_h.png', 1);
			img.writeAttribute('src', src);
		}
	}
}

function menuOut(event) {
	var element = event.element();
	var img = this.down('img');
	if(img.src.include('_h.png') && this.selected==false){
		var src = img.src.sub('_h.png', '.png', 1);	
		img.src = src;
	} else if(img.style && img.style.filter && img.style.filter.include('_h.png') && this.selected==false){//IE6
		var src = img.style.filter.sub('_h.png', '.png', 1);	
		img.style.filter = src;
	}
}

onload = function() {
  // initially hide all containers for tab content
  var menu = $$('#menu a');
  var contentarea = $('contentarea');
  
  if(contentarea && contentarea.offsetHeight<=675){ 
	document.body.className = document.body.className + ' nobtm';
  }
  
  menu.each(function(item) {
	  item.observe('mouseover', menuHover);
	  item.observe('mouseout', menuOut);
	  item.selected = false;
  });
  
}

/*document.observe("load", function() {
  // initially hide all containers for tab content
  var menu = $$('#menu a');
  var contentarea = $('contentarea');
  
  if(contentarea && contentarea.offsetHeight<=675){ 
	document.body.className = document.body.className + ' nobtm';
  }
  
  menu.each(function(item) {
	  item.observe('mouseover', menuHover);
	  item.observe('mouseout', menuOut);
	  item.selected = false;
  });
  
});*/