function textCounter(field, countfield, maxlimit, limit) 
{
	if (field.value.length > maxlimit)
	{
		if( limit == 1 )
		{
			field.value = field.value.substring(0, maxlimit);
		}
	}	
	
	countfield.value = maxlimit - field.value.length;	
}
function setHTMLtags(field,type,form)
{
	eval("targetField=document.forms."+form+"."+field);	
	if(type==1)
	{
		var start="<b>";
		var end="</b>";
	}
	else if(type==2)
	{
		var start="<i>";
		var end="</i>";
	}
	else
	{
		var start="<u>";
		var end="</u>";
	}
	if(document.selection)
	{	
		var selectedText = document.selection.createRange();
		if(selectedText.text.length>0)
		{
			selectedText.text=start + selectedText.text + end;
		}
	}
	else if (targetField.selectionStart || targetField.selectionStart == '0') 
	{
		var startPos = targetField.selectionStart;
		var endPos = targetField.selectionEnd;
		if(startPos!=endPos)
		{
			targetField.value = targetField.value.substring(0, startPos)
					  + start +  targetField.value.substring(startPos, endPos) + end 
					  + targetField.value.substring(endPos, targetField.value.length);
		}
	}
	
}
function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}
function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}
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 MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function validateRekry()
{
	ok = true;
	
	if(document.getElementById('enimi').value == "")
		ok = false;
	if(document.getElementById('snimi').value == "")
		ok = false;
	if(document.getElementById('email').value == "")
		ok = false;
	if(document.getElementById('puhelin').value == "")
		ok = false;
	
	if(!validateEmail(document.getElementById('email').value))
	{	
		ok = false;
		email = false;
	}
	
	if(ok)
		return true;
	else
	{	
		if(email)
			alert("Täytä kaikki kentät");
		else
			alert("Tarkista sähköpostiosoite");
		return false;
	}
}
function validateEmail(str) // check that a given email addr is ok
{
	
	var n;
	n = str.indexOf ("@");
	
	if (n == -1 || n == 0)
	{
		return false;
	}

	var k = str.lastIndexOf ("@");
	if (k != n)
	{
		return false;
	}

	var l = str.lastIndexOf (".");
	if (l == -1 || l==(k+1))
	{
		return false;
	}

	var len = str.length;
	// sallitaan domain pääteet pituuksilla 2-6
	if ((len - l) < 3 || (len - l) > 7)
	{
		return false;
	}
	return true;
}