Create a Date Drop down

Creating a Date year and Date drop down which is validated based on leap year and date 

Here is the code please add jquery script tag before you include the code


 function fnDate(){
try{
for(var i=1950;i<=2009;i++){
jq("#dobyy").append("<option value="+i+">"+i+"</option>");
}
for(var i=1;i<=12;i++){
jq("#dobmm").append("<option value="+i+">"+i+"</option>");
}

var month = '';
var year = '';
jq("#dobmm").change(function(){
month = jq("#dobmm").val();
year = jq("#dobyy").val();
var aOddMnth = ["1","3","5","7","8","10","12"];
var aEvnMnth = ["4","6","9","11"];
jq("#dobdd").html("<select name=\"dobdd\" id=\"dobdd\" title=\"1\" style=\"width:84px;\"><option value=\"\">Day</option></select>&nbsp;&nbsp;&nbsp;&nbsp;");
if(month > 0){
if(month == "2"){
if(year%4 == 0){
for(var i=1;i<=29;i++){
jq("#dobdd").append("<option value="+i+">"+i+"</option>");
}
}else{
for(var i=1;i<=28;i++){
jq("#dobdd").append("<option value="+i+">"+i+"</option>");
}
}
}
if(jq.inArray(month,aOddMnth) != -1){
for(var i=1;i<=31;i++){
jq("#dobdd").append("<option value="+i+">"+i+"</option>");
}
}
if(jq.inArray(month,aEvnMnth) != -1){
for(var i=1;i<=30;i++){
jq("#dobdd").append("<option value="+i+">"+i+"</option>");
}
}
}
});
}catch(e){
alert(e.message)
}
}