Paste Description for Snow Effect
Snow flask Javascript
Read: http://tech-buzz.net/2006/12/17/give-snow-effect-to-your-blog/
- Snow Effect
- Sunday, December 17th, 2006 at 8:59:31am MST
- /******************************************
- * Snow Effect Script- By Altan d.o.o. (http://www.altan.hr/snow/index.html)
- * Visit Dynamic Drive DHTML code library (http://www.dynamicdrive.com/) for full source code
- * Last updated Nov 9th, 05' by DD. This notice must stay intact for use
- ******************************************/
- //Configure below to change URL path to the snow image
- var snowsrc="http://img226.imageshack.us/img226/9894/snow3gy1.gif"
- // Configure below to change number of snow to render
- var no = 12;
- // Configure whether snow should disappear after x seconds (0=never):
- var hidesnowtime = 0;
- // Configure how much snow should drop down before fading ("windowheight" or "pageheight")
- var snowdistance = "pageheight";
- ///////////Stop Config//////////////////////////////////
- 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; // coordinate and position variables
- var am, stx, sty; // amplitude and step variables
- var i, doc_width = 800, doc_height = 600;
- 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();
- snowsrc=(snowsrc.indexOf("dynamicdrive.com")!=-1)? "snow.gif" : snowsrc
- for (i = 0; i < no; ++ i) {
- dx[i] = 0; // set coordinate variables
- xp[i] = Math.random()*(doc_width-50); // set position variables
- yp[i] = Math.random()*doc_height;
- am[i] = Math.random()*20; // set amplitude variables
- stx[i] = 0.02 + Math.random()/10; // set step variables
- sty[i] = 0.7 + Math.random(); // set step variables
- if (ie4up||ns6up) {
- if (i == 0) {
- document.write("<div id=\"dot"+ i +"\" style=\"POSITION: absolute; Z-INDEX: "+ i +"; VISIBILITY: visible; TOP: 15px; LEFT: 15px;\"><a href=\"http://dynamicdrive.com\"><img src='"+snowsrc+"' border=\"0\"><\/a><\/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\"><\/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) { // iterate for every dot
- 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] = 0.7 + 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>
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