//image preloading

pic1 = new Image(200, 200);
pic2 = new Image(200, 200);
pic3 = new Image(200, 200);
pic4 = new Image(200, 200);
pic5 = new Image(200, 200);
pic6 = new Image(200, 200);
pic7 = new Image(200, 200);

pic1.src = "images/join.png";
pic2.src = "images/downloads.png";
pic3.src = "images/roles.png";
pic4.src = "images/why.png";
pic5.src = "images/competition.png";
pic6.src = "images/contact.png";
pic7.src = "images/faq.png";