if (typeof Function.bind !== 'function') {
	Function.prototype.bind = function(scope) {
	  var _function = this;
	  return function() {
		return _function.apply(scope, arguments);
	  }
	};
}

Drawing.prototype.createDrawFunction = function() {
	var functioncalls = [],
		currenttime = new Date().getTime();
	if(this.dying || this.temporary) {
		functioncalls.push(function(ctx) { ctx.save(); });
		if(this.dying)
			functioncalls.push( (function(ctx) { 
				if(this.life < 0.04)
					this.die();
				this.life -= 0.03;
				ctx.globalAlpha = this.life;
			}).bind(this) );
		if(this.temporary)
			functioncalls.push(function(ctx) { ctx.shadowOffsetX = 2;ctx.shadowOffsetY = 1;ctx.shadowBlur = 3;ctx.shadowColor = '#000'; });
	}
	if(this.animate)
		functioncalls.push( (function(ctx) { this.movePen();this.drawPart(ctx); }).bind(this) );
	else
		functioncalls.push( (function(ctx) { this.drawWhole(ctx); }).bind(this) );
	
	if(this.dying || this.temporary)
		functioncalls.push(function(ctx) { ctx.restore(); });
	
	if(currenttime - this.time_created < 5000) {
		functioncalls.push( (function(ctx) { ctx.fillText(this.u_name, this.xpos+this.width, this.ypos+this.height); }).bind(this) );
		setTimeout( (function() { this.draw = this.createDrawFunction(); }).bind(this), 5000 + 10 - (this.currenttime - this.time_created));
	}
	
	return (function(ctx) {
		for(var i = 0, max = functioncalls.length; i < max; ++i)
			functioncalls[i](ctx);
	});
};