function validateDecimal(ctrlID)//fun 1
{
    var varValue = document.getElementById(ctrlID).value;
	varValue = varValue.replace(",", ".");

    if(isNaN(varValue))
    {
        alert("Gelieve een numerieke waarde in te geven (bv. 50,00)");
        document.getElementById (ctrlID).value="";
        document.getElementById(ctrlID).focus();        
        return false;
    }
    else if (varValue == 0.00)
    {
        document.getElementById(ctrlID).value=0;
        document.getElementById(ctrlID).focus();        
        return false;    
    }
    else
    {
        var arrParts = varValue.split('.');
        if(arrParts.length > 1)
        { 
            if(arrParts[1].length < 1)
            {
                varValue = arrParts[0];
            }
        }
        document.getElementById(ctrlID).value = format_number(varValue,2);
        return true; 
    }
}

//Format Number
function format_number(p,d) 
{
    var r;
    if(p<0){p=-p;r=format_number2(p,d);r="-"+r;}
    else   {r=format_number2(p,d);} 
    return r;
}

function format_number2(pnumber,decimals) 
{
    var strNumber = new String(pnumber);
    var arrParts = strNumber.split('.');
    var intWholePart = parseInt(arrParts[0],10); 
    var strResult = '';
    if (isNaN(intWholePart))
        intWholePart = '0';
    if(arrParts.length > 1)
    {
        var decDecimalPart = new String(arrParts[1]);
        var i = 0; 
        var intZeroCount = 0;
        while ( i < String(arrParts[1]).length )
        {
        if( parseInt(String(arrParts[1]).charAt(i),10) == 0 )
        {
            intZeroCount += 1;
            i += 1; 
        }
        else
            break;
        }
        decDecimalPart = parseInt(decDecimalPart,10)/Math.pow(10,parseInt(decDecimalPart.length-decimals-1)); 
        Math.round(decDecimalPart); 
        decDecimalPart = parseInt(decDecimalPart)/10; 
        decDecimalPart = Math.round(decDecimalPart); 

        //If the number was rounded up from 9 to 10, and it was for 1 'decimal' 
        //then we need to add 1 to the 'intWholePart' and set the decDecimalPart to 0. 

        if(decDecimalPart==Math.pow(10, parseInt(decimals)))
        { 
        intWholePart+=1; 
        decDecimalPart="0"; 
        } 
        var stringOfZeros = new String(''); 
        i=0;
        if( decDecimalPart > 0 )
        {
        while( i < intZeroCount)
        {
            stringOfZeros += '0';
            i += 1;
        }
        }
        decDecimalPart = String(intWholePart) + "." + stringOfZeros + String(decDecimalPart); 
        var dot = decDecimalPart.indexOf('.');
        if(dot == -1)
        {
        decDecimalPart += '.'; 
        dot = decDecimalPart.indexOf('.'); 
        } 
        var l=parseInt(dot)+parseInt(decimals); 
        while(decDecimalPart.length <= l) 
        {
        decDecimalPart += '0'; 
        }
        strResult = decDecimalPart;
    }
    else
    {
        var dot; 
        var decDecimalPart = new String(intWholePart); 

        decDecimalPart += '.'; 
        dot = decDecimalPart.indexOf('.'); 
        var l=parseInt(dot)+parseInt(decimals); 
        while(decDecimalPart.length <= l) 
        {
        decDecimalPart += '0'; 
        }
        strResult = decDecimalPart;
    }
    return strResult;
}