function Search(key){
//alert ("hello");

MonthYearID = key.MonthYearID.value;
MainHeadingID = key.MainHeadingID.value;

if(MonthYearID =='' && MainHeadingID =='')
{
alert("Please Select at least one Field!");
}
if(MonthYearID !='' && MainHeadingID =='')
{ 
window.location="searchMonthYear.php?MonthYearID="+MonthYearID;
}
if(MonthYearID =='' && MainHeadingID !='')
{ 
window.location="searchMainHeading.php?MainHeadingID="+MainHeadingID;
}
if(MonthYearID !='' && MainHeadingID !='')
{ 
window.location="search.php?MonthYearID="+MonthYearID+"& MainHeadingID="+MainHeadingID;
}


return false;

}