function noNumbers(e)
{
	var keynum
	var keychar
	var numcheck

	if(window.event)
	{
		keynum = e.keyCode
	}
	else if(e.which)
	{
		keynum = e.which
	}

	if ((keynum==null) || (keynum==0) || (keynum==8) || (keynum==9) || (keynum==13) || (keynum==27))
    {
   		return true;
    }

    keychar = String.fromCharCode(keynum)
	numcheck = /\d/
	return numcheck.test(keychar)
}

function numTotal(num,price)
{
	if(num != 0)
	{
		document.getElementById("step4_total").value = num * price;
	}
	else
	{
		document.getElementById("step4_total").value = price;
	}

	if(num < 10){
		document.getElementById("step4_total").value = 10 * price;
		document.getElementById("step4_num").value = 10;
	}

}


function checkStep2(){


	//var file = document.getElementById('step1_file');

	var elements = document.step2.step2_type;

	//alert(elements.length);
	var error = "";
	var isSelected = false;
	var str = "";
	for(i = 1; i <= document.step2.step2_type.length;i++){
		if(document.step2["step2_type_"+i].checked == true){
			isSelected = true;
			break;
		}
		//str += i+" "+document.step2["step2_type_"+i].name+"\n";
	}

	//alert(str);
	if(isSelected == false) error += "Ekki er bśiš aš velja śtlit korts\n";
	//if(file.value == '') error += "Žś veršur aš velja mynd til aš setja į kortiš.";

	if(error != ""){
		alert(error);
		return false;
	}else{
		return true;
	}


}

function findPosX(obj){
	var curleft = 0;
	if (obj.offsetParent){
		while (obj.offsetParent){
			curleft += obj.offsetLeft
			obj = obj.offsetParent;
		}
	}else if (obj.x)
		curleft += obj.x;
	return curleft;
}

function findPosY(obj){
	var curtop = 0;
	if (obj.offsetParent){
		while (obj.offsetParent){
			curtop += obj.offsetTop
			obj = obj.offsetParent;
		}
	}else if (obj.y)
		curtop += obj.y;
	return curtop;
}

function showinfo(id,obj,onoff){
	layer = document.getElementById(id);
	if(onoff == true){
		layer.style.display = '';
	}else{
		layer.style.display = 'none';
	}
	layer.style.top = findPosY(obj) + 25;
	layer.style.left = findPosX(obj);
	layer.zIndex = 100;
	//alert(findPosY(obj));
}

function countMeDown(obj,divId){
	var start = 20;
	var str = document.getElementById(obj).value;
	var strLength = str.length;
	var totalLeft = start - strLength;
	document.getElementById(divId).innerHTML = totalLeft+" stafir";
}