var pictureSrc = 'crotate.gif'; //the location of the skyqueens
var pictureWidth = 121; //the width of the skyqueens
var pictureHeight = 132; //the height of the skyqueens
var numCracks = 20; //the number of skyqueens
var downSpeed = 0.02;
var lrCracks = 15;
var EmergencySkyqueens = false;
//safety checks. Browsers will hang if this is wrong. If other values are wrong there will just be errors
if( typeof( numCracks ) != 'number' || Math.round( numCracks ) != numCracks || numCracks < 1 ) { numCracks = 10; }
//draw the cuteness
for( var x = 0; x < numCracks; x++ ) {
if( document.layers ) { //releave NS4 bug
document.write('<layer id="snFlkDiv'+x+'"><img src="'+pictureSrc+'" height="'+pictureHeight+'" width="'+pictureWidth+'" alt="*" border="0"></layer>');
} else {
document.write('<div style="position:absolute;" id="snFlkDiv'+x+'"><img src="'+pictureSrc+'" height="'+pictureHeight+'" width="'+pictureWidth+'" alt="*" border="0"></div>');
}
}
//calculate initial positions (in portions of browser window size)
var xcoords = new Array(), ycoords = new Array(), snFlkTemp;
for( var x = 0; x < numCracks; x++ ) {
xcoords[x] = ( x + 1 ) / ( numCracks + 1 );
do { snFlkTemp = Math.round( ( numCracks - 1 ) * Math.random() );
} while( typeof( ycoords[snFlkTemp] ) == 'number' );
ycoords[snFlkTemp] = x / numCracks;
}
//now animate
function skyqueensFall() {
if( !getRefToDivNest('snFlkDiv0') ) { return; }
var scrWidth = 0, scrHeight = 0, scrollHeight = 0, scrollWidth = 0;
//find screen settings for all variations. doing this every time allows for resizing and scrolling
if( typeof( window.innerWidth ) == 'number' ) { scrWidth = window.innerWidth; scrHeight = window.innerHeight; } else {
if( document.documentElement && ( document.documentElement.clientWidth || document.documentElement.clientHeight ) ) {
scrWidth = document.documentElement.clientWidth; scrHeight = document.documentElement.clientHeight; } else {
if( document.body && ( document.body.clientWidth || document.body.clientHeight ) ) {
scrWidth = document.body.clientWidth; scrHeight = document.body.clientHeight; } } }
if( typeof( window.pageYOffset ) == 'number' ) { scrollHeight = pageYOffset; scrollWidth = pageXOffset; } else {
if( document.body && ( document.body.scrollLeft || document.body.scrollTop ) ) { scrollHeight = document.body.scrollTop; scrollWidth = document.body.scrollLeft; } else {
if( document.documentElement && ( document.documentElement.scrollLeft || document.documentElement.scrollTop ) ) { scrollHeight = document.documentElement.scrollTop; scrollWidth = document.documentElement.scrollLeft; } }
}
//move the cuteness to their new position
for( var x = 0; x < numCracks; x++ ) {
if( ycoords[x] * scrHeight > scrHeight - pictureHeight ) { ycoords[x] = 0; }
var divRef = getRefToDivNest('snFlkDiv'+x); if( !divRef ) { return; }
if( divRef.style ) { divRef = divRef.style; } var oPix = document.childNodes ? 'px' : 0;
divRef.top = ( Math.round( ycoords[x] * scrHeight ) + scrollHeight ) + oPix;
divRef.left = ( Math.round( ( ( xcoords[x] * scrWidth ) - ( pictureWidth / 2 ) ) + ( ( scrWidth / ( ( numCracks + 1 ) * 4 ) ) * ( Math.sin( lrCracks * ycoords[x] ) - Math.sin( 3 * lrCracks * ycoords[x] ) ) ) ) + scrollWidth ) + oPix;
ycoords[x] += downSpeed;
}
}
//DHTML handlers
function getRefToDivNest(divName) {
if( document.layers ) { return document.layers[divName]; } //NS4
if( document[divName] ) { return document[divName]; } //NS4 also
if( document.getElementById ) { return document.getElementById(divName); } //DOM (IE5+, NS6+, Mozilla0.9+, Opera)
if( document.all ) { return document.all[divName]; } //Proprietary DOM - IE4
return false;
}
function dispenseSkyqueens() {
if (EmergencySkyqueens) {
window.clearInterval(EmergencySkyqueens);
} else {
EmergencySkyqueens = window.setInterval('skyqueensFall();',100);
}
}
</script>
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