function showhide(id) {
	if (document.getElementById) 
	{
		var id_style = document.getElementById(id).style;
		image = "pijl_" + id;
		if (id_style.display == "block") 
		{
			id_style.display = "none";
			document.images[image].src="images/arrow_down.png"
		} 
		else 
		{
			id_style.display= "block";
			document.images[image].src="images/arrow_up.png"

		}
   		return false;
	} 
	else 
	{
		return true;
	}
}
function showhide_training(id,id_link) {
	if (document.getElementById) 
	{
		var id_style = document.getElementById(id).style;
		var id_link_obj;
		var id_link_attribute_list;
		var id_link_class;
		id_link_obj=document.getElementById(id_link);
		id_link_attribute_list=id_link_obj.attributes;
		id_link_class=id_link_attribute_list.getNamedItem("class");
		if (id_style.display == "block") 
		{
			id_style.display = "none";
		} 
		else 
		{
			id_style.display= "block";
		}
		if (id_link_class.value=="report_down") 
		{
			id_link_class.value="report_up";
		} 
		else 
		{
			if (id_link_class.value=="report_down_2") 
			{
				id_link_class.value="report_up_2";
			} 
			else
			{
				if(id_link_class.value=="report_up_2")
				{
					id_link_class.value="report_down_2";
				}
				else
				{
					id_link_class.value="report_down";
				}
			}
		}

   		return false;
	} 
	else 
	{
		return true;
	}
}

var rate = new Array(1,1.5641590695660918,0.68732,5.41,9.1775,3.4950055028961612,9.1775,1.2362933426731686,34.878201,8.5575024);
function currency_convert(origin) 
{
	var origin_value = eval('document.currency.c'+origin+'.value');
	var euro_equivalent = rate[origin];
	var v;
	for (i=0; i<rate.length; i++) 
	{
		if (i!=origin) 
		{
			v = Math.round(rate[i]*origin_value/euro_equivalent*100)/100;
			eval('document.currency.c'+i+'.value = '+v);
		}
	}
	return true;
}
function change_balls(balls) {
	var image = "ball_" + balls;
	var balls_value = document.getElementById(balls).value;
	document.images[image].src="images/level_" + balls_value + ".gif";
	
	var ball_id_par = balls + '_par';
	var ball_id_max = balls + '_max';
	
	if(document.getElementById(ball_id_max).checked)
	{
		document.images[image].src="images/level_" + balls_value + "_max.gif";
	}
	else
	{
		if(document.getElementById(ball_id_par).checked)
		{
			document.images[image].src="images/level_" + balls_value + "_par.gif";
		}
		else
		{
			document.images[image].src="images/level_" + balls_value + ".gif";
		}
	}			

}
function TextInputOnFocus(id) {
	document.getElementById(id).style.background="#999999";
	document.getElementById(id).style.color="#000000";
}
function TextInputOnBlur(id) {
	document.getElementById(id).style.background="#646464";
	document.getElementById(id).style.color="#FFFFFF";
}
function change_nat(id) {
	var image = "img_" + id;
	var nat_value = document.getElementById(id).value;
	document.images[image].src="images/s_" + nat_value + ".gif";
}
function change_eye(id) {
	var image = "img_verberg_" + id;
	var checkbox_id = "verberg_" + id;
	if(document.getElementById(checkbox_id).checked == true)
	{
		document.getElementById(checkbox_id).checked = false;
		document.images[image].src="images/eye.png";
	}
	else
	{
		document.getElementById(checkbox_id).checked = true;
		document.images[image].src="images/eye_closed.png";
	}			
}
function change_b11(id) {
	var image = "img_basis_" + id;
	var checkbox_id = "basis_" + id;
	if(document.getElementById(checkbox_id).checked == true)
	{
		document.getElementById(checkbox_id).checked = false;
		document.images[image].src="images/b11.png";
}
	else
	{
		document.getElementById(checkbox_id).checked = true;
		document.images[image].src="images/b11_in.png";
	}			
}
function showWaitPopup() {
	document.getElementById("loading").className = "loading-visible";
}