// CREDITS:
// FlyingPictures by Urs Dudli and Peter Gehrig
// Copyright (c) 2000 Peter Gehrig and Urs Dudli. All rights reserved.
// Permission given to use the script provided that this notice remains as is.
// Additional scripts can be found at http://www.24fun.com
// info@24fun.ch
// 8/30/2000

// IMPORTANT:
// If you add this script to a script-library or a script-archive
// you have to insert a link to http://www.24fun.com/fast/index.html
// right into the webpage where the script will be displayed.

// CONFIGURATION:
// Go to http://www.24fun.com/fast/index.html, open category 'animation' and
// download the ZIP-file of this script containing
// the script-file with step-by-step instructions for easy configuration as well as
// all testimages

// URLs of floating images. Add as many images as you like.
// ATTENTION: Too many images will dlow down the floating effect)
var your_image=new Array()
//your_image[0]="imgfloatingpics1.jpg"
//your_image[1]="imgfloatingpics2.gif"
//your_image[2]="imgfloatingpics3.jpg"
your_image[0]="images/floating-faceblk36.gif"
your_image[1]="images/floating-faceblk36.gif"
your_image[2]="images/floating-faceblk36.gif"
your_image[3]="images/floating-faceblk36.gif"
your_image[4]="images/floating-faceblk.gif"
your_image[5]="images/floating-faceblk.gif"
your_image[6]="images/floating-faceblk.gif"
your_image[7]="images/floating-faceblk.gif"
//your_image[8]="images/floating-faceblk.gif"
//your_image[9]="images/floating-faceblk36.gif"
//your_image[10]="images/floating-faceblk.gif"
//your_image[11]="images/floating-faceblk.gif"
//your_image[12]="images/floating-faceblk36.gif"
//your_image[13]="images/floating-faceblk36.gif"
//your_image[14]="images/floating-faceblk.gif"
//your_image[15]="images/floating-faceblk.gif"

// You may add links for each image separately.
// In case you do not want to link a picture just add a '#' instead of an URL (see sample below)
var your_image_link=new Array()
your_image_link[0]="#"
your_image_link[1]="#"
your_image_link[2]="#"
your_image_link[3]="#"
your_image_link[4]="#"
your_image_link[5]="#"
your_image_link[6]="#"
your_image_link[7]="#"
//your_image_link[8]="#"
//your_image_link[9]="#"
//your_image_link[10]="#"
//your_image_link[11]="#"
//your_image_link[12]="#"
//your_image_link[13]="#"
//your_image_link[14]="#"
//your_image_link[15]="#"

// average speed of the floating images. Higher means faster
var floatingspeed=4

// do not edit the variables below
var tempo=20
var numberofimages=your_image.length-1
var stepx=new Array()
var stepy=new Array()
for (i=0;i<=numberofimages;i++) {
	stepx[i]=randommaker(floatingspeed)
	stepy[i]=randommaker(floatingspeed)
}
var imgwidth=new Array()
var imgheight=new Array()
for (i=0;i<=numberofimages;i++) {
	imgwidth[i]=10
	imgheight[i]=10
}
var x,y
var marginbottom
var marginleft=0
var margintop=0
var marginright
var timer
var spancontent=new Array()
var imgpreload=new Array()
for (i=0;i<=your_image.length;i++) {
	imgpreload[i]=new Image()
	imgpreload[i].src=your_image[i]
}

for (i=0;i<=numberofimages;i++) {
	spancontent[i]="<a href='"+your_image_link[i]+"'><img src='"+your_image[i]+"' border='0'></a>"
}

function setValues() {
	if (document.all) {
    	marginbottom=document.body.clientHeight-5
    	marginright=document.body.clientWidth-5
		for (i=0;i<=numberofimages;i++) {
			var thisspan = eval("document.all.span"+i)
    		thisspan.innerHTML=spancontent[i]
			var thisspan = eval("document.all.span"+(i)+".style")
           	thisspan.posLeft=randommaker(marginright)
			thisspan.posTop=randommaker(marginbottom)
		}
		for (i=0;i<=numberofimages;i++) {
			var thisspan = eval("document.all.span"+i)
			imgwidth[i]=thisspan.offsetWidth
			imgheight[i]=thisspan.offsetHeight

		}
		checkmovement()
	}
	if (document.layers) {
    	marginbottom=window.innerHeight-5
    	marginright=window.innerWidth-5
		for (i=0;i<=numberofimages;i++) {
			var thisspan=eval("document.span"+i+".document")
    		thisspan.write(spancontent[i])
			thisspan.close()
			var thisspan=eval("document.span"+i)
           	thisspan.left=randommaker(marginright)
			thisspan.top=randommaker(marginbottom)
		}
		for (i=0;i<=numberofimages;i++) {
			var thisspan=eval("document.span"+i+".document")
			imgwidth[i]=thisspan.width
			imgheight[i]=thisspan.height
		}
    	checkmovement()
	}
}

function randommaker(range) {
	rand=Math.floor(range*Math.random())
	if (rand==0) {rand=Math.ceil(range/2)}
    return rand
}

function checkmovement() {
	if (document.all) {
		checkposition()
		movepictures()
    	timer=setTimeout("checkmovement()",tempo)
	}
	if (document.layers) {
		checkposition()
   		movepictures()
    	timer=setTimeout("checkmovement()",tempo)
	}
}

function movepictures() {
		if (document.all) {
			for (i=0;i<=numberofimages;i++) {
    			var thisspan=eval("document.all.span"+(i)+".style")
    			thisspan.posLeft+=stepx[i]
				thisspan.posTop+=stepy[i]
    		}
		}
		if (document.layers) {
			for (i=0;i<=numberofimages;i++) {
    			var thisspan = eval("document.span"+i)
    			thisspan.left+=stepx[i]
				thisspan.top+=stepy[i]
    		}
		}
}

function checkposition() {
	if (document.all) {
		for (i=0;i<=numberofimages;i++) {
			var thisspan=eval("document.all.span"+i+".style")
			if (thisspan.posLeft>marginright-imgwidth[i]) {
				thisspan.posLeft-=Math.abs(stepx[i]+1)
				stepx[i]=randommaker(floatingspeed)*-1
			}
			if (thisspan.posLeft<marginleft) {
				thisspan.posLeft+=Math.abs(stepx[i])
				stepx[i]=randommaker(floatingspeed)
			}
			if (thisspan.posTop>marginbottom-imgheight[i]) {
				thisspan.posTop-=Math.abs(stepy[i])
				stepy[i]=randommaker(floatingspeed)*-1

			}
			if (thisspan.posTop<margintop) {
				thisspan.posTop+=Math.abs(stepy[i])
				stepy[i]=randommaker(floatingspeed)
			}
		}
	}
	if (document.layers) {
		for (i=0;i<=numberofimages;i++) {
			var thisspan=eval("document.span"+i)
			if (thisspan.left>marginright-imgwidth[i]) {
				thisspan.left-=Math.abs(stepx[i]+1)
				stepx[i]=randommaker(floatingspeed)*-1
			}
			if (thisspan.left<marginleft) {
				thisspan.left+=Math.abs(stepx[i])
				stepx[i]=randommaker(floatingspeed)
			}
			if (thisspan.top>marginbottom-imgheight[i]) {
				thisspan.top-=Math.abs(stepy[i])
				stepy[i]=randommaker(floatingspeed)*-1

			}
			if (thisspan.top<margintop) {
				thisspan.top+=Math.abs(stepy[i])
				stepy[i]=randommaker(floatingspeed)
			}
		}
	}
}