function centerDiv(obj){
	$(obj).css({
		marginTop: (($(obj).height()/2) * -1)+'px',
		marginLeft: (($(obj).width()/2) * -1)+'px',
		left:'50%',
		top:'50%'
	});
}




function checkAgreed()
{
	var a = $('#agreed').attr('checked');
	if ( a === true )
	{
		return true;
	}
	return false;
}

function roundNumber(num, dec) {
	var result = Math.round(num*Math.pow(10,dec))/Math.pow(10,dec);
	
	var s = "" + Math.round(result * 100) / 100
	var i = s.indexOf('.')
	if (i < 0) return s + ".00"
	var t = s.substring(0, i + 1) + s.substring(i + 1, i + 3)
	if (i + 2 == s.length) t += "0"
	
	return t;
}