<script language="JavaScript1.2">

 

 

//Flying planes - by John Ely

 //Modified from: Autumn leaves script- by Kurt Grigg (kurt.grigg@virgin.net)

 //Modified by Dynamic Drive for NS6 functionality

 //visit http://www.dynamicdrive.com for this script

 

//Pre-load your image below!

 //CHANGE 5 to the number of images listed below

 grphcs=new Array(5)

 

//PRELOAD the involved images (extend or contract variables according to # of images used)

 Image0=new Image();

 Image0.src=grphcs[0]="//jegvirag.gportal.hu/portal/jegvirag/image/gallery/1256484379_92.gif"

 Image1=new Image();

 Image1.src=grphcs[1]="//jegvirag.gportal.hu/portal/jegvirag/image/gallery/1256484379_92.gif"

 Image2=new Image();

 Image2.src=grphcs[2]="//jegvirag.gportal.hu/portal/jegvirag/image/gallery/1256484379_92.gif"

 Image3=new Image();

 Image3.src=grphcs[3]="//jegvirag.gportal.hu/portal/jegvirag/image/gallery/1256484379_92.gif"

 Image4=new Image();

 Image4.src=grphcs[4]="//jegvirag.gportal.hu/portal/jegvirag/image/gallery/1256484379_92.gif"

 

//SPECIFY number of images to randomly display concurrently from list above. Less the more efficient

 Amount=3;

 Ypos=new Array();

 Xpos=new Array();

 Speed=new Array();

 Step=new Array();

 Cstep=new Array();

 ns=(document.layers)?1:0;

 ns6=(document.getElementById&&!document.all)?1:0;

 ie=document.all

 

if (ns){

 for (i = 0; i < Amount; i++){

 var P=Math.floor(Math.random()*grphcs.length);

 rndPic=grphcs[P];

 document.write("<LAYER NAME='sn"+i+"' LEFT=0 TOP=0><img src="+rndPic+"></LAYER>");

 }

 }

 else{

 document.write('<div style="position:absolute;top:0px;left:0px"><div style="position:relative">');

 for (i = 0; i < Amount; i++){

 var P=Math.floor(Math.random()*grphcs.length);

 rndPic=grphcs[P];

 document.write('<img id="si'+i+'" src="'+rndPic+'" style="position:absolute;top:0px;left:0px">');

 }

 document.write('</div></div>');

 }

 WinHeight=(ns||ns6)?window.innerHeight-70:window.document.body.clientHeight;

 WinWidth=(ns||ns6)?window.innerWidth:window.document.body.clientWidth;

 for (i=0; i < Amount; i++){                                                               

  Ypos[i] = Math.round(Math.random()*WinHeight);

  Xpos[i] = Math.round(Math.random()*WinWidth);

  Speed[i]= Math.random()*5+1;

  Cstep[i]=0;

  Step[i]=Math.random()*0.1+0.05;

 }

 function fly(){

 var WinHeight=(ns||ns6)?window.innerHeight:window.document.body.clientHeight;

 var WinWidth=(ns||ns6)?window.innerWidth-70:window.document.body.clientWidth;

 var hscrll=(ns||ns6)?window.pageYOffset:document.body.scrollTop;

 var wscrll=(ns||ns6)?window.pageXOffset:document.body.scrollLeft;

 

for (i=0; i < Amount; i++){

 sy = Speed[i]*Math.sin(Cstep[i]);

 sx = Speed[i]*2;

 Ypos[i]+=sy;

 Xpos[i]+=sx;

 if (Xpos[i] > WinWidth){

 Ypos[i]=Math.round(Math.random()*WinHeight);

 Xpos[i]=-60;

 Speed[i]=Math.random()*5+1;

 }

 

if (ns){

 document.layers['sn'+i].left=Xpos[i]+wscrll;

 document.layers['sn'+i].top=Ypos[i];

 }

 

else if (ns6){

 document.getElementById("si"+i).style.left=Xpos[i]+wscrll;

 document.getElementById("si"+i).style.top=Math.min(WinHeight,Ypos[i]);

 }

 

else{

 eval("document.all.si"+i).style.left=Xpos[i]+wscrll;

 eval("document.all.si"+i).style.top=Ypos[i];

 }

 Cstep[i]+=Step[i];

 }

 setTimeout('fly()',20);

 }

 

if (ie||ns||ns6)

 window.onload=fly

 //-->

 </script>

 

 

 

 

 

 

 

 

(Ha valami nem megy szólj és segítek. virag-78@gportal.hu )

Készült:2017.04.10.

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