var fade_effect=3; var gradient_effect="none"; var speed=60; 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;}