/***************************************************
		JavaScript functions ©2005 Conceptants
***************************************************/

function cMenu(s,m)
{
	if(document.getElementById(m))
	{
		if(s == 1)
		{
			document.getElementById(m).style.visibility = "visible";
		}
		else
		{
			document.getElementById(m).style.visibility = "hidden";
		}
	}
}

function chWeekend()
{			
	//Check of het om een doordeweekse dag of het weekend gaat
	vDatum();
			
	var dagnaam = new Array(7);
	dagnaam[0] = "Zo";
	dagnaam[1] = "Ma";
	dagnaam[2] = "Di";
	dagnaam[3] = "Wo";
	dagnaam[4] = "Do";
	dagnaam[5] = "Vr";
	dagnaam[6] = "Za";

	var maandnaam = new Array(12);
	maandnaam[0] = "January";
	maandnaam[1] = "February";
	maandnaam[2] = "March";
	maandnaam[3] = "April";
	maandnaam[4] = "May";
	maandnaam[5] = "June";
	maandnaam[6] = "July";
	maandnaam[7] = "August";
	maandnaam[8] = "September";
	maandnaam[9] = "October";
	maandnaam[10] = "November";
	maandnaam[11] = "December";																																	
	
	var maand1 = document.forms['t'].maand1.value - 1;
	
	var dagDatum1 = new Date(maandnaam[maand1] + " " + document.forms['t'].dag1.value + " " + document.forms['t'].jaar1.value);
	document.getElementById("weekdag1").innerHTML = "(" + dagnaam[dagDatum1.getDay()] + ")";
}

function vDatum()
{
	//Check of data juist is (BV. geen 31 November)
	var maxDagen = new Array(12)
	maxDagen[0] = 31;
	maxDagen[1] = 29;
	maxDagen[2] = 31;
	maxDagen[3] = 30;
	maxDagen[4] = 31;
	maxDagen[5] = 30;
	maxDagen[6] = 31;
	maxDagen[7] = 31;
	maxDagen[8] = 30;
	maxDagen[9] = 31;
	maxDagen[10] = 30;
	maxDagen[11] = 31;
	
	var maand1 = document.forms['t'].maand1.value - 1;
	if(document.forms['t'].dag1.value > maxDagen[maand1])
	{
		var jsMaxDagen1 = maxDagen[maand1] - 1;
		document.forms['t'].dag1.options[jsMaxDagen1].selected = true;
	}
}

function chVerloopWeekend()
{			
	//Check of het om een doordeweekse dag of het weekend gaat
	vVerloopDatum();
			
	var dagnaam = new Array(7);
	dagnaam[0] = "Zo";
	dagnaam[1] = "Ma";
	dagnaam[2] = "Di";
	dagnaam[3] = "Wo";
	dagnaam[4] = "Do";
	dagnaam[5] = "Vr";
	dagnaam[6] = "Za";

	var maandnaam = new Array(12);
	maandnaam[0] = "January";
	maandnaam[1] = "February";
	maandnaam[2] = "March";
	maandnaam[3] = "April";
	maandnaam[4] = "May";
	maandnaam[5] = "June";
	maandnaam[6] = "July";
	maandnaam[7] = "August";
	maandnaam[8] = "September";
	maandnaam[9] = "October";
	maandnaam[10] = "November";
	maandnaam[11] = "December";																																	
	
	var maand1 = document.forms['t'].verloopmaand.value - 1;
	
	var dagDatum1 = new Date(maandnaam[maand1] + " " + document.forms['t'].verloopdag.value + " " + document.forms['t'].verloopjaar.value);
	document.getElementById("verloopweekdag").innerHTML = "(" + dagnaam[dagDatum1.getDay()] + ")";
}

function vVerloopDatum()
{
	//Check of data juist is (BV. geen 31 November)
	var maxDagen = new Array(12)
	maxDagen[0] = 31;
	maxDagen[1] = 29;
	maxDagen[2] = 31;
	maxDagen[3] = 30;
	maxDagen[4] = 31;
	maxDagen[5] = 30;
	maxDagen[6] = 31;
	maxDagen[7] = 31;
	maxDagen[8] = 30;
	maxDagen[9] = 31;
	maxDagen[10] = 30;
	maxDagen[11] = 31;
	
	var maand1 = document.forms['t'].verloopmaand.value - 1;
	if(document.forms['t'].verloopdag.value > maxDagen[maand1])
	{
		var jsMaxDagen1 = maxDagen[maand1] - 1;
		document.forms['t'].verloopdag.options[jsMaxDagen1].selected = true;
	}
}

function checkTables()
{
	if(document.getElementById("interface"))
	{
		document.getElementById("interface").height = document.body.clientHeight;
		document.getElementById("template").height = 500;
	}
}