loktar00

// For extending the default object with properties
			extend = function(obj, extObj){
				for(var i in extObj){
					if(obj.hasOwnProperty(i)){
						obj[i] = extObj[i];
					}
				}
			}

loktar00

   // find all points between 2 pooints http://en.wikipedia.org/wiki/Bresenham%27s_line_algorithm     
        var x1 = mouseX,
            x2 = lastX,
            y1 = mouseY,
            y2 = lastY;


        var steep = (Math.abs(y2 - y1) > Math.abs(x2 - x1));
        if (steep){
            var x = x1;

loktar00

function byClass(matchClass){
    if (!document.getElementsByClassName){
        var elements = document.getElementsByTagName('*'),
            i=0,
            nodeList = [],
            reg = new RegExp('(^|\\s)' + matchClass + '(\\s|$)')
       
        for (i=0; i < elements.length;i++)
        {
            if(elements[i].className.match(reg) !== null){