function is_array(input){
	//http://www.andrewpeace.com/javascript-is-array.html
	return typeof(input)=='object'&&(input instanceof Array);
}

function var_dump(data,addwhitespace,safety,level) {
	//http://snippets.dzone.com/posts/show/4296
	var rtrn = '';
	var dt,it,spaces = '';
	if(!level) {level = 1;}
	for(var i=0; i<level; i++) {
		spaces += '   ';
	}//end for i<level
	if(typeof(data) != 'object') {
		dt = data;
		if(typeof(data) == 'string') {
			if(addwhitespace == 'html') {
				dt = dt.replace(/&/g,'&amp;');
				dt = dt.replace(/>/g,'&gt;');
				dt = dt.replace(/</g,'&lt;');
			}//end if addwhitespace == html
			dt = dt.replace(/\"/g,'\"');
			dt = '"' + dt + '"';
		}//end if typeof == string
		if(typeof(data) == 'function' && addwhitespace) {
			dt = new String(dt).replace(/\n/g,"\n"+spaces);
			if(addwhitespace == 'html') {
				dt = dt.replace(/&/g,'&amp;');
				dt = dt.replace(/>/g,'&gt;');
				dt = dt.replace(/</g,'&lt;');
			}//end if addwhitespace == html
		}//end if typeof == function
		if(typeof(data) == 'undefined') {
			dt = 'undefined';
		}//end if typeof == undefined
		if(addwhitespace == 'html') {
			if(typeof(dt) != 'string') {
				dt = new String(dt);
			}//end typeof != string
			dt = dt.replace(/ /g,"&nbsp;").replace(/\n/g,"<br>");
		}//end if addwhitespace == html
		return dt;
	}//end if typeof != object && != array
	for (var x in data) {
		if(safety && (level > safety)) {
			dt = '*RECURSION*';
		} else {
			try {
				dt = var_dump(data[x],addwhitespace,safety,level+1);
			} catch (e) {continue;}
		}//end if-else level > safety
		it = var_dump(x,addwhitespace,safety,level+1);
		rtrn += it + ':' + dt + ',';
		if(addwhitespace) {
			rtrn += '\n'+spaces;
		}//end if addwhitespace
	}//end for...in
	if(addwhitespace) {
		rtrn = '{\n' + spaces + rtrn.substr(0,rtrn.length-(2+(level*3))) + '\n' + spaces.substr(0,spaces.length-3) + '}';
		} else {
			rtrn = '{' + rtrn.substr(0,rtrn.length-1) + '}';
		}//end if-else addwhitespace
		if(addwhitespace == 'html') {
			rtrn = rtrn.replace(/ /g,"&nbsp;").replace(/\n/g,"<br>");
		}//end if addwhitespace == html
	return rtrn;
}//end function var_dump