theDate=new Date();
var theMonth=theDate.getMonth() + 1;

if(theMonth==1){document.writeln("<script language=\"JavaScript\" src=\"scripts/history_january.js\"></script>")};
if(theMonth==2){document.writeln("<script language=\"JavaScript\" src=\"scripts/history_february.js\"></script>")};
if(theMonth==3){document.writeln("<script language=\"JavaScript\" src=\"scripts/history_march.js\"></script>")};
if(theMonth==4){document.writeln("<script language=\"JavaScript\" src=\"scripts/history_april.js\"></script>")};
if(theMonth==5){document.writeln("<script language=\"JavaScript\" src=\"scripts/history_may.js\"></script>")};
if(theMonth==6){document.writeln("<script language=\"JavaScript\" src=\"scripts/history_june.js\"></script>")};
if(theMonth==7){document.writeln("<script language=\"JavaScript\" src=\"scripts/history_july.js\"></script>")};
if(theMonth==8){document.writeln("<script language=\"JavaScript\" src=\"scripts/history_august.js\"></script>")};
if(theMonth==9){document.writeln("<script language=\"JavaScript\" src=\"scripts/history_september.js\"></script>")};
if(theMonth==10){document.writeln("<script language=\"JavaScript\" src=\"scripts/history_october.js\"></script>")};
if(theMonth==11){document.writeln("<script language=\"JavaScript\" src=\"scripts/history_november.js\"></script>")};
if(theMonth==12){document.writeln("<script language=\"JavaScript\" src=\"scripts/history_december.js\"></script>")};