var thisForm = "vraag";
var defaultVals = new Array();
defaultVals[0] = new Array("vraag", "type hier uw vraag");

function LoadDefaults() {
with (document.forms[thisForm]) {
for (var n=0; n<defaultVals.length; n++) {
var thisField = defaultVals[n][0];
var thisDefault = defaultVals[n][1];
elements[thisField].value = thisDefault;
}}}

function ClearField(field) {
var fieldName = field.name;
for (var n=0; n<defaultVals.length; n++) {
var thisField = defaultVals[n][0];
var thisDefault = defaultVals[n][1];
if (thisField == fieldName) {
if (field.value == thisDefault) field.value = '';
break;
}}}



// Ipad
var deviceAgent = navigator.userAgent.toLowerCase();
var agentID = deviceAgent.match(/(iphone|ipod|ipad)/);
if(agentID){
var COLS="19";
} else {

		var COLS="23";
		var WIN="N";
		if (navigator.appVersion.indexOf("Win")!=-1) WIN="Y";

		if (WIN == "Y")
		{

			var bn = navigator.appName;
			if (bn == "Microsoft Internet Explorer") {
			// Internet Explorer
			var COLS="23";
			}
			else
			{
			
				var Safari="N";
				if (navigator.appVersion.indexOf("Safari")!=-1) Safari="Y";
				if (Safari == "Y") {
				// Safari en Chrome
				var COLS="22";
				}
				else
				{
				// Firefox
				var COLS="16";
				}
			
			
			}

		}


}