var debug_block = false;

function debug_Init() {
	debug_block = document.getElementsByTagName('body')[0];
	debug = document.createElement('div');
	debug.id = 'debug';
	debug.style.position = 'absolute';
	debug.style.textAlign = 'left';
	debug.style.top = '0px';
	debug.style.zIndex = '50';	
	debug.style.left = '0px';
	debug.style.backgroundColor = '#fff';
	debug.style.border = '1px solid #f00';
	debug.style.padding = '0.5em';
	debug.style.color = '#000';
	debug_block.appendChild(debug);
}

function echo(text, lines) {
   if(!lines) lines = null;
	if(!debug_block) {
		debug_Init();
   }
   if(lines == 1){
	  debug.innerHTML = text;
	} else {
	  debug.innerHTML += text + "<br>";
   }
}