function number_format(a, b, c, d) {
	 // number_format(number, decimals, comma, formatSeparator)
	 k = '';
	 /*
	  if(a.indexOf('-') == 0){
	    k = '-';
	    a = a * -1;
	  }
	 */
	 a = Math.round(a * Math.pow(10, b)) / Math.pow(10, b);
	 var e = a + '';
	 var f = e.split('.');
	 if(!f[0]) f[0] = '0';
	 if(!f[1]) f[1] = '';
	 if(f[1].length < b){
	  var g = f[1];
	  for(var i = f[1].length + 1; i <= b; i++) {
	   g += '0';
	  }
	  f[1] = g;
	 }
	 if(d != '' && f[0].length > 3) {
	  var h = f[0];
	  f[0] = '';
	  for(var j = 3; j < h.length; j += 3) {
	   i = h.slice(h.length - j, h.length - j + 3);
	   f[0] = d + i +  f[0] + '';
	  }
	  j = h.substr(0, (h.length % 3 == 0) ? 3 : (h.length % 3));
	  f[0] = j + f[0];
	 }
	 c = (b <= 0) ? '': c;
	 return k + f[0] + c + f[1];
	}
	
	
	var premie = new Array(2);
	for (i=0;i<2;i++){
		premie[i] = new Array(56);
	}
	
    premie[0][0]  = 0.72
    premie[0][1]  =	0.72 
	premie[0][2]  = 0.72
	premie[0][3]  = 0.72 
	premie[0][4]  = 0.72
	premie[0][5]  = 0.72
	premie[0][6]  = 0.74
	premie[0][7]  = 0.76
	premie[0][8]  = 0.77
	premie[0][9]  = 0.79
    premie[0][10]  = 0.81
    premie[0][11]  = 0.83
    premie[0][12]  = 0.85
    premie[0][13]  = 0.87
    premie[0][14]  = 0.89
    premie[0][15]  = 0.92
    premie[0][16]  = 0.94
    premie[0][17]  = 0.97
    premie[0][18]  = 0.99
    premie[0][19]  = 1.02
    premie[0][20]  = 1.05
    premie[0][21]  = 1.08
    premie[0][22]  = 1.11
    premie[0][23]  = 1.14
    premie[0][24]  = 1.17
    premie[0][25]  =1.21
    premie[0][26]  =1.25
    premie[0][27]  =1.29
    premie[0][28]  =1.33
    premie[0][29]  =1.37
    premie[0][30]  =1.41
    premie[0][31]  =1.46
    premie[0][32]  =1.51
    premie[0][33]  =1.56
    premie[0][34]  =1.61
    premie[0][35]  =1.66
    premie[0][36]  =1.72
    premie[0][37]  =1.78
    premie[0][38]  =1.85
    premie[0][39]  =1.92
    premie[0][40]  =1.99
    premie[0][41]  =2.06
    premie[0][42]  =2.14
    premie[0][43]  =2.22
    premie[0][44]  =2.31
    premie[0][45]  =2.40
    premie[0][46]  =2.50
    premie[0][47]  =2.61
    premie[0][48]  =2.71
    premie[0][49]  =2.83
    premie[0][50]  =2.95
    premie[0][51]  =3.08
    premie[0][52]  =3.22
    premie[0][53]  =3.36
    premie[0][54]  =3.51
    premie[0][55]  =3.68

    premie[1][0]  =0.65
    premie[1][1]  =	0.65
	premie[1][2]  =0.65
	premie[1][3]  =0.65
	premie[1][4]  =0.65
	premie[1][5]  =0.65
	premie[1][6]  =0.66
	premie[1][7]  =0.68
    premie[1][8]  =0.69
    premie[1][9]  =0.71
    premie[1][10]  =0.72
    premie[1][11]  =0.74
    premie[1][12]  =0.76
    premie[1][13]  =0.77
    premie[1][14]  =0.79
    premie[1][15]  =0.81
    premie[1][16]  =0.83
    premie[1][17]  =0.85
    premie[1][18]  =0.87
    premie[1][19]  =0.89
    premie[1][20]  =0.92
    premie[1][21]  =0.94
    premie[1][22]  =0.97
    premie[1][23]  =0.99
    premie[1][24]  =1.02
    premie[1][25]  =1.05
    premie[1][26]  =1.08
    premie[1][27]  =1.11
    premie[1][28]  =1.14
    premie[1][29]  =1.17
    premie[1][30]  =1.21
    premie[1][31]  =1.25
    premie[1][32]  =1.29
    premie[1][33]  =1.33
    premie[1][34]  =1.37
    premie[1][35]  =1.41
    premie[1][36]  =1.46
    premie[1][37]  =1.51
    premie[1][38]  =1.56
    premie[1][39]  =1.61
    premie[1][40]  =1.66
    premie[1][41]  =1.72
    premie[1][42]  =1.78
    premie[1][43]  =1.85
    premie[1][44]  =1.92
    premie[1][45]  =1.99
    premie[1][46]  =2.06
    premie[1][47]  =2.14
    premie[1][48]  =2.22
    premie[1][49]  =2.31
    premie[1][50]  =2.40
    premie[1][51]  =2.50
    premie[1][52]  =2.61
    premie[1][53]  =2.71
    premie[1][54]  =2.83
    premie[1][55]  =2.95
	
	function reken()
	{
	age_val    = document.getElementById('age').selectedIndex;
	aantal = document.formulier.sexe.length
	sex_val = 0;
	for(z=0;z<aantal;z++){
		if(document.formulier.sexe[z].checked) sex_val = document.formulier.sexe[z].value;
	}
	
	//sex_val    = (document.getElementById('sexe').checked ? document.getElementById('sexe').value : 0);
	bedrag_val = document.getElementById('bedrag').options[document.getElementById('bedrag').selectedIndex].value * 1;
	looptijd = 12;
	if(age_val >= 0 && age_val < 21) looptijd = 36;
	if(age_val > 20 && age_val < 31) looptijd = 24;	

	prem_val   = premie[sex_val][age_val] * 1;
	maandpremie = Math.round( ((prem_val * bedrag_val + 0.5) * 1 ) * 100) /100
	besparing  = Math.round( ((prem_val * bedrag_val + 0.5) * 1 * looptijd) * 100) /100
	//alert('Bedrag='+ bedrag_val + '/ Premie='+prem_val+'/ Besparing='+  besparing)
	
	//document.getElementById('besp').value =  '€ ' + number_format(besparing,2, ',', '.');
	document.getElementById('besp').value =  number_format(besparing,2, ',', '.') + ' EURO';
	document.getElementById('mndprem').value  = number_format(maandpremie,2, ',', '.');
	document.getElementById('mnd').value  = looptijd;
	}