RV's free DHTML and JavaScript text and graphic scripts

BLOB VORTEX
This script has been tested on and shown to work with Internet Explorer 7+, Firefox 2.0 and Opera 9+ (requires 'position:fixed' to be correctly implemented).
08-Feb-2010: First release.
STEP 1: Copy and paste the code below so that it sits between the <head> and </head> tags at the top of your web-page: <script type="text/javascript"> // <![CDATA[ var colsel=new Array('#edf', '#dbf', '#c9f', '#b7f', '#a5f', '#93f'); // colours for animation var speed=100; // speed of animation, lower is faster /**************************\ Blob Vortex Graphic Effect* * (c)2010 mf2fm web-design * * http://www.mf2fm.com/rv * * DON'T EDIT BELOW THIS BOX * \**************************/ window.onload=whizzy; var div; var ring=new Array(); var swide=screen.width; var shigh=screen.height; var count=0; var roun=0; var nour=0; function whizzy() { var i, dvs; div=document.createElement('div'); dvs=div.style; dvs.position='fixed'; dvs.left='50%'; dvs.top='50%'; dvs.width='1px'; dvs.height='1px'; dvs.overflow='visible'; dvs.zIndex='-1'; i=document.body.style.backgroundColor; if (document.body.parentNode) { if (i) document.body.parentNode.style.backgroundColor=i; document.body.style.backgroundColor="transparent"; } document.body.insertBefore(div, document.body.firstChild); for (i=0; i<30; i++) ring['col'+i]=new Array(); add_blobs(); zoomer(); } function add_blobs() { var f, h, i, j, k, w; for (i=50; i<swide1.5;) { f=Math.floor(10+140(i/swide)); // from 10 to 150 ring['row'+count]=new Array(); for (j=0; j<30; j++) { h=-f/8+i/2Math.cos(Math.PIj/15); w=f/5+i/2Math.sin(Math.PIj/15); if (h-f/2>shigh/2 \|\| h+f/2<-shigh/2 \|\| w-f/2>swide/2 \|\| w+f/2<-swide/2) continue; k=document.createElement('div'); dvs=k.style; dvs.position='absolute'; dvs.left=w-f/2+'px'; dvs.top=h-f/2+'px'; dvs.color=colsel[colsel.length-1]; k.appendChild(document.createTextNode(String.fromCharCode(9679))); k.style.fontSize=f+'px'; ring['row'+count][j]=k; ring['col'+j][count]=k; div.appendChild(k); } count++; i+=f2; } nour=count; } function zoomer() { for (var i=0; i<30; i++) { var tc=Math.abs(i-nour+roun)%colsel.length; if (ring['col'+i][roun]) ring['col'+i][roun].style.color=colsel[tc]; } if (++roun==count) { roun=0; nour++; setTimeout('zoomer()', speed); } else zoomer(); } // ]]> </script> CLICK HERE to select all the above text
STEP 2: Change the colour (and other parameters) at the start of the script you just copied to the settings you require.
THAT'S IT When your page loads, a whirling blob vortex will form along which your web-page will travel at the speed you have selected and in the colours you have chosen.
No menu on the left? Click here for a full list of all the free DHTML and Javascript effects you could be using on your web-site!

Link directly to this page: http://www.mf2fm.com/rv/dhtmlblobvortex.php

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