<!-- THREE STEPS TO INSTALL MOUSE ZEIGER: 1. Copy the coding into the HEAD of your HTML document 2. Add the last code into the BODY tag your HTML document 3. Put the final code inside the BODY of your HTML page --> <!-- STEP ONE: Paste this code into the HEAD of your HTML document --> <body background="fon.gif" bgcolor="#000000" text="red" link="violet" vlink="yellow" marginwidth="0" marginheight="0" leftmargin="0" topmargin="0"> <div id="dot0" style="position: absolute; visibility: hidden; height: 11; width: 11;"><img src="a-gif/a_3d.gif" height=11 width=11></div> <div id="dot1" style="position: absolute; height: 11; width: 11;"><img src="a-gif/a_3d.gif" height=11 width=11></div> <div id="dot2" style="position: absolute; height: 11; width: 11;"><img src="a-gif/a_3d.gif" height=11 width=11></div> <div id="dot3" style="position: absolute; height: 11; width: 11;"><img src="a-gif/a_3d.gif" height=11 width=11></div> <div id="dot4" style="position: absolute; height: 11; width: 11;"><img src="a-gif/a_3d.gif" height=11 width=11></div> <div id="dot5" style="position: absolute; height: 11; width: 11;"><img src="a-gif/a_3d.gif" height=11 width=11></div> <div id="dot6" style="position: absolute; height: 11; width: 11;"><img src="a-gif/hs.gif" height=21 width=21></div> <script LANGUAGE="JavaScript"> <!-- hide code /* Elastic Trail script(bei SgS) */ // for fix which makes it work when the page is scrolled var nDots = 7; if (document.all&&window.print) document.body.style.cssText="overflow-x:hidden;overflow-y:scroll" var Xpos = 0; var Ypos = 0; // fixed time step, no relation to real time var DELTAT = .01; // size of one spring in pixels var SEGLEN = 20; // spring constant, stiffness of springs var SPRINGK = 10; // all the physics is bogus, just picked stuff to // make it look okay var MASS = 1; var GRAVITY = 10; var RESISTANCE = 50; // stopping criterea to prevent endless jittering // doesn't work when sitting on bottom since floor // doesn't push back so acceleration always as big // as gravity var STOPVEL = 0.1; var STOPACC = 0.1; var DOTSIZE = 11; // BOUNCE is percent of velocity retained when // bouncing off a wall var BOUNCE = 0.75; var isNetscape = navigator.appName=="Netscape"; // always on for now, could be played with to // let dots fall to botton, get thrown, etc. var followmouse = true; var dots = new Array(); init(); function init() { var i = 0; for (i = 0; i < nDots; i++) { dots[i] = new dot(i); } if (!isNetscape) { // I only know how to read the locations of the // <LI> items in IE //skip this for now // setInitPositions(dots) } // set their positions for (i = 0; i < nDots; i++) { dots[i].obj.left = dots[i].X; dots[i].obj.top = dots[i].Y; } if (isNetscape) { // start right away since they are positioned // at 0, 0 startanimate(); } else { // let dots sit there for a few seconds // since they're hiding on the real bullets setTimeout("startanimate()", 2000); } } function dot(i) { this.X = Xpos; this.Y = Ypos; this.dx = 0; this.dy = 0; if (isNetscape) { this.obj = eval("document.dot" + i); } else { this.obj = eval("dot" + i + ".style"); } } function startanimate() { setInterval("animate()", 20); } // This is to line up the bullets with actual LI tags on the page // Had to add -DOTSIZE to X and 2*DOTSIZE to Y for IE 5, not sure why // Still doesn't work great function setInitPositions(dots) { // initialize dot positions to be on top // of the bullets in the <ul> var startloc = document.all.tags("LI"); var i = 0; for (i = 0; i < startloc.length && i < (nDots - 1); i++) { dots[i+1].X = startloc[i].offsetLeft startloc[i].offsetParent.offsetLeft - DOTSIZE; dots[i+1].Y = startloc[i].offsetTop + startloc[i].offsetParent.offsetTop + 2*DOTSIZE; } // put 0th dot above 1st (it is hidden) dots[0].X = dots[1].X; dots[0].Y = dots[1].Y - SEGLEN; } // just save mouse position for animate() to use function MoveHandler(e) { Xpos = e.pageX; Ypos = e.pageY; return true; } // just save mouse position for animate() to use function MoveHandlerIE() { Xpos = window.event.x + document.body.scrollLeft; Ypos = window.event.y + document.body.scrollTop; } if (isNetscape) { document.captureEvents(Event.MOUSEMOVE); document.onMouseMove = MoveHandler; } else { document.onmousemove = MoveHandlerIE; } function vec(X, Y) { this.X = X; this.Y = Y; } // adds force in X and Y to spring for dot[i] on dot[j] function springForce(i, j, spring) { var dx = (dots[i].X - dots[j].X); var dy = (dots[i].Y - dots[j].Y); var len = Math.sqrt(dx*dx + dy*dy); if (len > SEGLEN) { var springF = SPRINGK * (len - SEGLEN); spring.X += (dx / len) * springF; spring.Y += (dy / len) * springF; } } function animate() { // dots[0] follows the mouse, // though no dot is drawn there var start = 0; if (followmouse) { dots[0].X = Xpos; dots[0].Y = Ypos; start = 1; } for (i = start ; i < nDots; i++ ) { var spring = new vec(0, 0); if (i > 0) { springForce(i-1, i, spring); } if (i < (nDots - 1)) { springForce(i+1, i, spring); } // air resisitance/friction var resist = new vec(-dots[i].dx * RESISTANCE, -dots[i].dy * RESISTANCE); // compute new accel, including gravity var accel = new vec((spring.X + resist.X)/ MASS, (spring.Y + resist.Y)/ MASS + GRAVITY); // compute new velocity dots[i].dx += (DELTAT * accel.X); dots[i].dy += (DELTAT * accel.Y); // stop dead so it doesn't jitter when nearly still if (Math.abs(dots[i].dx) < STOPVEL && Math.abs(dots[i].dy) < STOPVEL && Math.abs(accel.X) < STOPACC && Math.abs(accel.Y) < STOPACC) { dots[i].dx = 0; dots[i].dy = 0; } // move to new position dots[i].X += dots[i].dx; dots[i].Y += dots[i].dy; // get size of window var height, width; if (isNetscape) { height = window.innerHeight + document.scrollTop; width = window.innerWidth + document.scrollLeft; } else { height = document.body.clientHeight + document.body.scrollTop; width = document.body.clientWidth + document.body.scrollLeft; } // bounce of 3 walls (leave ceiling open) if (dots[i].Y >= height - DOTSIZE - 1) { if (dots[i].dy > 0) { dots[i].dy = BOUNCE * -dots[i].dy; } dots[i].Y = height - DOTSIZE - 1; } if (dots[i].X >= width - DOTSIZE) { if (dots[i].dx > 0) { dots[i].dx = BOUNCE * -dots[i].dx; } dots[i].X = width - DOTSIZE - 1; } if (dots[i].X < 0) { if (dots[i].dx < 0) { dots[i].dx = BOUNCE * -dots[i].dx; } dots[i].X = 0; } // move img to new position dots[i].obj.left = dots[i].X; dots[i].obj.top = dots[i].Y; } } // end code hiding --> </script> <!-- Script Size: ? 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