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<html><body><div id="imgAndr_box" style="border: 1px red solid; width: 400px; height: 400px;position: absolute;"><img width="100" border="0" alt="" onmouseover="img_andr_jump();" onmousemove="img_andr_jump();" src="http://www.s3blog.org/files/others/for_anders.gif" id="imgAndr" style="display: none; position: relative; top: 0px; left: 0px;" /></div><script language="javascript">var imgAndr = document.getElementById('imgAndr');var imgAndr_box = document.getElementById('imgAndr_box');var vector_x = 0;var vector_y = 0;imgAndr.style.display = 'block';img_andr_jump();var imgAndr_begin = setInterval("img_andr_begin()",10);function max_width() { return imgAndr_box.clientWidth - imgAndr.clientWidth;}function max_height() { return imgAndr_box.clientHeight - imgAndr.clientHeight;}function img_andr_jump() { vector_x = init_vector(); if (Math.random() > 0.5) { vector_x *= -1; } vector_y = init_vector(); if (Math.random() > 0.5) { vector_y *= -1; } imgAndr.style.top = Math.floor(Math.random()*max_height()) + 'px'; imgAndr.style.left = Math.floor(Math.random()*max_width()) + 'px';}function img_andr_begin() { var m_width = max_width(); var m_height = max_height(); var cur_x = parseInt(imgAndr.style.left); var cur_y = parseInt(imgAndr.style.top); if ((cur_x < 0) && (vector_x<0)) { vector_x = init_vector(); } if ((cur_y < 0) && (vector_y<0)) { vector_y = init_vector(); } if ((cur_x > m_width) && (vector_x>0)) { vector_x = init_vector(); vector_x *= -1; } if ((cur_y > m_height) && (vector_y>0)) { vector_y = init_vector(); vector_y *= -1; } imgAndr.style.left = cur_x + vector_x + 'px'; imgAndr.style.top = cur_y + vector_y + 'px';}function init_vector() { return Math.floor(Math.random()*5)+1;}</script></body></html>
