var today1 = new Date()
var month = today1.getMonth()+1
var date = today1.getDate()
var day = today1.getDay()
var bo = 1;
if(month == 5 && date == 19){
bo=0;
}
if(month == 4 && date == 21){
bo=0;
}
if(month == 8 && date == 15){
bo=0;
}
if(bo==0){
document.writeln("<style type=\"text\/css\"> html { filter:progid:DXImageTransform.Microsoft.BasicImage(grayscale=1); } <\/style> ");
}