Html Code: Background changing color effect

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<!-- This Script is from www.htmlfreecodes.com, Coded by: Krishna Eydat--> <script> // Select fade-effect below: // Set 1 if the background may fade from dark to medium // Set 2 if the background may fade from light to medium // Set 3 if the background may fade from very dark to very light light // Set 4 if the background may fade from light to very light // Set 5 if the background may fade from dark to very dark var fade_effect=3 // What type of gradient should be applied Internet Explorer 5x or higher? // Set "none" or "horizontal" or "vertical" var gradient_effect="horizontal" // Speed higher=slower var speed=60 /////////////////////////////////////////////////////////////////////////// // CONFIGURATION ENDS HERE /////////////////////////////////////////////////////////////////////////// var browserinfos=navigator.userAgent var ie4=document.all&&!document.getElementById var ie5=document.all&&document.getElementById&&!browserinfos.match(/Opera/) var ns4=document.layers var ns6=document.getElementById&&!document.all var opera=browserinfos.match(/Opera/) var browserok=ie4||ie5||ns4||ns6||opera if (fade_effect==1) { var darkmax=1 var lightmax=127 } if (fade_effect==2) { var darkmax=127 var lightmax=254 } if (fade_effect==3) { var darkmax=1 var lightmax=254 } if (fade_effect==4) { var darkmax=190 var lightmax=254 } if (fade_effect==5) { var darkmax=1 var lightmax=80 } var hexc = new Array('0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F') var newred var newgreen var newblue var oldred var oldgreen var oldblue var redcol_1 var redcol_2 var greencol_1 var greencol_2 var bluecol_1 var bluecol_2 var oldcolor var newcolor var firsttime=true var stepred=1 var stepgreen=1 var stepblue=1 function setrandomcolor() { var range=(lightmax-darkmax) if (firsttime) { newred=Math.ceil(range*Math.random())+darkmax newgreen=Math.ceil(range*Math.random())+darkmax newblue=Math.ceil(range*Math.random())+darkmax firsttime=false } oldred=Math.ceil(range*Math.random())+darkmax oldgreen=Math.ceil(range*Math.random())+darkmax oldblue=Math.ceil(range*Math.random())+darkmax stepred=newred-oldred if (oldred>newred) {stepred=1} else if (oldred<newred) {stepred=-1} else {stepred=0} stepgreen=newgreen-oldgreen if (oldgreen>newgreen) {stepgreen=1} else if (oldgreen<newgreen) {stepgreen=-1} else {stepgreen=0} stepblue=newblue-oldblue if (oldblue>newblue) {stepblue=1} else if (oldblue<newblue) {stepblue=-1} else {stepblue=0} fadebg() } function fadebg() { if (newred==oldred) {stepred=0} if (newgreen==oldgreen) {stepgreen=0} if (newblue==oldblue) {stepblue=0} newred+=stepred newgreen+=stepgreen newblue+=stepblue if (stepred!=0 || stepgreen!=0 || stepblue!=0) { redcol_1 = hexc[Math.floor(newred/16)]; redcol_2 = hexc[newred%16]; greencol_1 = hexc[Math.floor(newgreen/16)]; greencol_2 = hexc[newgreen%16]; bluecol_1 = hexc[Math.floor(newblue/16)]; bluecol_2 = hexc[newblue%16]; newcolor="#"+redcol_1+redcol_2+greencol_1+greencol_2+bluecol_1+bluecol_2 if (ie5 && gradient_effect!="none") { if (gradient_effect=="horizontal") {gradient_effect=1} if (gradient_effect=="vertical") {gradient_effect=0} greencol_1 = hexc[Math.floor(newred/16)]; greencol_2 = hexc[newred%16]; bluecol_1 = hexc[Math.floor(newgreen/16)]; bluecol_2 = hexc[newgreen%16]; redcol_1 = hexc[Math.floor(newblue/16)]; redcol_2 = hexc[newblue%16]; var newcolorCompl="#"+redcol_1+redcol_2+greencol_1+greencol_2+bluecol_1+bluecol_2 document.body.style.filter= "progid:DXImageTransform.Microsoft.Gradient(startColorstr="+newcolorCompl+", endColorstr="+newcolor+" GradientType="+gradient_effect+")" } else { document.bgColor=newcolor } var timer=setTimeout("fadebg()",speed); } else { clearTimeout(timer) newred=oldred newgreen=oldgreen newblue=oldblue oldcolor=newcolor setrandomcolor() } } if (browserok) { window.onload=setrandomcolor } </script> <font face="Tahoma"><a target="_blank" href="http://www.htmlfreecodes.com/"><span style="font-size: 8pt; text-decoration: none">HTML Free Code</span></a></font>

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