var agt=navigator.userAgent.toLowerCase();
var is_major = parseInt(navigator.appVersion);
var is_minor = parseFloat(navigator.appVersion);
var is_nav = ((agt.indexOf('mozilla')!=-1) && (agt.indexOf('spoofer')==-1)
&& (agt.indexOf('compatible') == -1) && (agt.indexOf('opera')==-1)
&& (agt.indexOf('webtv')==-1) && (agt.indexOf('hotjava')==-1));
var is_nav2 = (is_nav && (is_major == 2));
var is_nav3 = (is_nav && (is_major == 3));
var is_nav4 = (is_nav && (is_major == 4));
var is_nav4up = (is_nav && (is_major >= 4));
var is_navonly = (is_nav && ((agt.indexOf(";nav") != -1) ||
(agt.indexOf("; nav") != -1)) );
var is_nav6 = (is_nav && (is_major == 5));
var is_nav6up = (is_nav && (is_major >= 5));
var is_gecko = (agt.indexOf('gecko') != -1);
var is_ie = ((agt.indexOf("msie") != -1) && (agt.indexOf("opera") == -1));
var is_ie3= (is_ie && (is_major < 4));
var is_ie4= (is_ie && (is_major == 4) && (agt.indexOf("msie 4")!=-1) );
var is_ie4up = (is_ie && (is_major >= 4));
var is_ie5= (is_ie && (is_major == 4) && (agt.indexOf("msie 5.0")!=-1) );
var is_ie5_5 = (is_ie && (is_major == 4) && (agt.indexOf("msie 5.5") !=-1));
var is_ie5up = (is_ie && !is_ie3 && !is_ie4);
var is_ie5_5up =(is_ie && !is_ie3 && !is_ie4 && !is_ie5);
var is_ie6= (is_ie && (is_major == 4) && (agt.indexOf("msie 6.")!=-1) );
var is_ie6up = (is_ie && !is_ie3 && !is_ie4 && !is_ie5 && !is_ie5_5);
var is_aol = (agt.indexOf("aol") != -1);
var is_aol3 = (is_aol && is_ie3);
var is_aol4 = (is_aol && is_ie4);
var is_aol5 = (agt.indexOf("aol 5") != -1);
var is_aol6 = (agt.indexOf("aol 6") != -1);
var is_opera = (agt.indexOf("opera") != -1);
var is_opera2 = (agt.indexOf("opera 2") != -1 || agt.indexOf("opera/2") != -1);
var is_opera3 = (agt.indexOf("opera 3") != -1 || agt.indexOf("opera/3") != -1);
var is_opera4 = (agt.indexOf("opera 4") != -1 || agt.indexOf("opera/4") != -1);
var is_opera5 = (agt.indexOf("opera 5") != -1 || agt.indexOf("opera/5") != -1);
var is_opera5up = (is_opera && !is_opera2 && !is_opera3 && !is_opera4);
var no = 25; // number of hearts
var speed = 15; // smaller number moves the hearts faster
var heart = "./pics/heartsmall.gif";
var flag;
var dx, xp, yp, yoffs=0;// coordinate and position variables
var am, stx, sty; // amplitude and step variables
var timerID = null;
var i, doc_width = 800, doc_height = 600;
if (is_nav4 || is_nav6up || is_opera4 || is_opera5up) {
doc_width_con = self.innerWidth;
doc_height_con = self.innerHeight;
} else if (is_ie4up) {
doc_width_con = document.body.clientWidth;
doc_height_con = document.body.clientHeight;
}
doc_width = doc_width_con;
doc_height = doc_height_con;
dx = new Array();
xp = new Array();
yp = new Array();
amx = new Array();
amy = new Array();
stx = new Array();
sty = new Array();
flag = new Array();
for (i = 0; i < no; ++ i) {
dx[i] = 0;// set coordinate variables
xp[i] = Math.random()*(doc_width-200)+10; // set position variables
yp[i] = Math.random()*(doc_height-yoffs)+yoffs;
amy[i] = 12+ Math.random()*20; // set amplitude variables
amx[i] = 10+ Math.random()*40;
stx[i] = 0.02 + Math.random()/10; // set step variables
sty[i] = 0.7 + Math.random(); // set step variables
flag[i] = (Math.random()>0.5)?1:0;
if (is_nav4) { // set layers
document.write("![](\"");)
");
} else
if (is_ie4up || is_nav6up || is_opera4 || is_opera) {
document.write("");
}
}
function snowNS() { // Netscape main animation function
for (i = 0; i < no; ++ i) { // iterate for every dot
if (yp[i] > doc_height-100) {
xp[i] = Math.random()*(doc_width-43)+10; //(Math.random()<0.5)?0:document.body.clientWidth;
yp[i] = yoffs;
flag[i]=(Math.random()<0.5)?1:0;
stx[i] = 0.02 + Math.random()/10;
sty[i] = 0.7 + Math.random();
doc_width = doc_width_con;
doc_height = doc_height_con;
}
if (flag[i])
dx[i] += stx[i];
else
dx[i] -= stx[i];
if (Math.abs(dx[i]) > Math.PI) {
yp[i]+=Math.abs(amy[i]*dx[i]);
xp[i]+=amx[i]*dx[i];
dx[i]=0;
flag[i]=!flag[i];
}
document.layers["dot"+i].top = yp[i] + amy[i]*(Math.abs(Math.sin(dx[i])+dx[i]));
document.layers["dot"+i].left = xp[i] + amx[i]*dx[i];
}
timerID = setTimeout("snowNS()", speed);
}
function snowIE() { // IE main animation function
for (i = 0; i < no; ++ i) { // iterate for every dot
if (yp[i] > doc_height-100) {
xp[i] = Math.random()*(doc_width-143)+10; //(Math.random()<0.5)?0:document.body.clientWidth;
yp[i] = yoffs;
stx[i] = 0.02 + Math.random()/10;
sty[i] = 0.7 + Math.random();
flag[i]=(Math.random()<0.5)?1:0;
doc_width = doc_width_con;
doc_height = doc_height_con;
}
if (flag[i])
dx[i] += stx[i];
else
dx[i] -= stx[i];
if (Math.abs(dx[i]) > Math.PI) {
yp[i]+=Math.abs(amy[i]*dx[i]);
xp[i]+=amx[i]*dx[i];
dx[i]=0;
flag[i]=!flag[i];
}
elm = document.getElementById("dot"+i);
elm.style.top = parseInt(yp[i] + amy[i]*(Math.abs(Math.sin(dx[i])+dx[i])));
elm.style.left = parseInt(xp[i] + amx[i]*dx[i]);
}
setTimeout("snowIE()", speed);
}
if (is_nav4) {
snowNS();
} else if (is_ie4up || is_nav6up || is_opera4 || is_opera5up) {
snowIE();
}
// End -->