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- <body>
- <script type="text/javascript">
- // nom et lien de l'image
- var snowsrc="full.png"
- // Nombre d'images
- var no = 50;
- // Durée de l'effet
- var hidesnowtime = 0;
- // "windowheight" or "pageheight"
- var snowdistance = "pageheight";
- var ie4up = (document.all) ? 1 : 0;
- var ns6up = (document.getElementById&&!document.all) ? 1 : 0;
- function iecompattest(){
- return (document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body
- }
- var dx, xp, yp;
- var am, stx, sty;
- var i, doc_width = screen.width, doc_height = screen.height;
- if (ns6up) {
- doc_width = self.innerWidth;
- doc_height = self.innerHeight;
- } else if (ie4up) {
- doc_width = iecompattest().clientWidth;
- doc_height = iecompattest().clientHeight;
- }
- dx = new Array();
- xp = new Array();
- yp = new Array();
- am = new Array();
- stx = new Array();
- sty = new Array();
- for (i = 0; i < no; ++ i) {
- dx[i] = 0;
- xp[i] = Math.random()*(doc_width-50);
- yp[i] = Math.random()*doc_height;
- am[i] = Math.random()*20;
- stx[i] = 0.02 + Math.random()/10;
- sty[i] = 0.5 + Math.random();
- if (ie4up||ns6up) {
- if (i == 0) {
- document.write("<div id=\"dot"+ i +"\" style=\"POSITION: absolute; Z-INDEX: "+ i +"; VISIBILITY: visible; TOP: 15px; LEFT: 15px;\"><\/div>");
- } else {
- document.write("<div id=\"dot"+ i +"\" style=\"POSITION: absolute; Z-INDEX: "+ i +"; VISIBILITY: visible; TOP: 15px; LEFT: 15px;\"><img src='"+snowsrc+"' border=\"0\" height=\"15\"><\/div>");
- }
- }
- }
- function snowIE_NS6() { // IE and NS6 main animation function
- doc_width = ns6up?window.innerWidth-10 : iecompattest().clientWidth-10;
- doc_height=(window.innerHeight && snowdistance=="windowheight")? window.innerHeight : (ie4up && snowdistance=="windowheight")? iecompattest().clientHeight : (ie4up && !window.opera && snowdistance=="pageheight")? iecompattest().scrollHeight : iecompattest().offsetHeight;
- for (i = 0; i < no; ++ i) {
- yp[i] += sty[i];
- if (yp[i] > doc_height-50) {
- xp[i] = Math.random()*(doc_width-am[i]-30);
- yp[i] = 0;
- stx[i] = 0.02 + Math.random()/10;
- sty[i] = 0.5 + Math.random();
- }
- dx[i] += stx[i];
- document.getElementById("dot"+i).style.top=yp[i]+"px";
- document.getElementById("dot"+i).style.left=xp[i] + am[i]*Math.sin(dx[i])+"px";
- }
- snowtimer=setTimeout("snowIE_NS6()", 10);
- }
- function hidesnow(){
- if (window.snowtimer) clearTimeout(snowtimer)
- for (i=0; i<no; i++) document.getElementById("dot"+i).style.visibility="hidden"
- }
- if (ie4up||ns6up){
- snowIE_NS6();
- if (hidesnowtime>0)
- setTimeout("hidesnow()", hidesnowtime*1000)
- }
- </script>
- </body>
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