<!--
	
	function calculateCalories ()	{
		var weight=document.activityform.weight.value;
		var mets=document.activityform.activity.options[document.activityform.activity.selectedIndex].value;
		var duration=document.activityform.duration.value;
		
		if (isNaN(weight) || weight < 5)	{
			alert("Kérlek, add meg a testsúlyodat!");
			return;
		}
		
		if (mets==-1)		{
			alert("Kérlek, add meg a testedzés fajtáját!");
			return;
		}
		
		if (isNaN(duration) || duration < 1 || duration > 999)		{
			alert("Kérlek, add meg a testedzés időtartamát!");
			return;
		}
		
		var total="" + mets*(weight/2.2)*(duration/60)/0.45;
		
		var decIndex=total.indexOf(".");
		
		if (decIndex!=-1)		{
		
			//if (total.length >= decIndex+2)
			//{
				total=total.substr(0,decIndex);
			//}

		}
		document.activityform.total.value=total;
	//myString.indexOf("com"))
	}

	function resetTotal ()
	{
		document.activityform.total.value="";
		document.activityform.weight.value="";
		document.activityform.duration.value="";
		document.activityform.activity.selectedIndex=0;
	}
	
	function resizeWin() {
		self.resizeTo(470,400);
	}
//-->