Bgcolor random alla pressione di un bottone

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Bgcolor random alla pressione di un bottone

Usa Copia e incolla questa è la sorgente

this.c1 = c1;

this.c2 = c2;

this.c3 = c3;

this.c4 = c4;

this.c5 = c5;

this.c6 = c6;

this.c7 = c7; }

rainbow = new cols("red", "orange", "yellow", "green", "blue", "indigo", "violet");

fade = new cols("white", "DDDDDD", "BBBBBB", "999999", "777777", "555555", "333333", "black");

greens = new cols("darkgreen", "forestgreen", "green", "lawngreen", "lightgreen", "limegreen", "palegreen");

sunset = new cols("skyblue", "slateblue", "violet", "darkorange", "red", "darkred", "black");

psyc = new cols("violet", "lawngreen", "violet", "lawngreen", "violet", "lawngreen", "violet");

function cycle(type){

scheme = type;

document.bgColor = scheme.c1;

timerID=setTimeout('document.bgColor = scheme.c2', document.selector.interval.value * 10);

timerID=setTimeout('document.bgColor = scheme.c3', document.selector.interval.value * 20);

timerID=setTimeout('document.bgColor = scheme.c4', document.selector.interval.value * 30);

timerID=setTimeout('document.bgColor = scheme.c5', document.selector.interval.value * 40);

timerID=setTimeout('document.bgColor = scheme.c6', document.selector.interval.value * 50);

timerID=setTimeout('document.bgColor = scheme.c7', document.selector.interval.value * 60); }

// -->

</script>
</head>
<body>
<form name="selector">
Premi uno di questi bottoni: 
<input type="button" value="prova1" onClick="cycle(rainbow)">
<input type="button" value="prova2" onClick="cycle(fade)">
<input type="button" value="prova3" onClick="cycle(greens)">
<input type="button" value="prova4" onClick="cycle(sunset)">
<input type="button" value="prova5" onClick="cycle(psyc)">
<p> intervallo temporale (in decimi di secondo): 
<input type="text" size="8" name="interval" value="50">
</form>
                        
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