function checkit(){document.getElementById("txt_username").value=trimAll(document.getElementById("txt_username").value);var a;a=document.getElementById("txt_username").value;if((a.substring(0,1)<"a"||a.substring(0,1)>"z")&&(a.substring(0,1)<"A"||a.substring(0,1)>"Z")){document.getElementById("txtHint").innerHTML="The Username should begin with an alphabetic character.";return false}for(var b=1;b<a.length;b++){var c=a.substring(b,b+1);if((c<"a"||"z"<c)&&(c<"A"||"Z"<c)&&(c<"0"||"9"<c)&&c!="_"&&c!="."){document.getElementById("txtHint").innerHTML=
"\nThe Username field  accepts letters, numbers & underscore.\n\nPlease re-enter your Username.";document.getElementById("txtHint").style.padding="5px";return false}}if(a.length>15){document.getElementById("txtHint").innerHTML="\nThe Username should be 15 characters or less.\n\nPlease re-enter your Username.";document.getElementById("txtHint").style.padding="5px";return false}b="getusername.aspx";b=b+"?q="+a;b=b+"&sid="+Math.random();a="t="+(new Date).getTime();a=new Ajax.Request(b,{method:"post",
postBody:a,onSuccess:function(d){document.getElementById("txtHint").style.visibility="visible";document.getElementById("txtHint").style.bottom="3px";document.getElementById("txtHint").style.font="bold 12px arial";document.getElementById("txtHint").style.padding="5px";var e=d.responseText;if(e.match("Great")){document.getElementById("txtHint").setAttribute("class","hints");document.getElementById("txtHint").setAttribute("className","hints")}else if(e.match("Sorry")){document.getElementById("txtHint").setAttribute("class",
"hintf");document.getElementById("txtHint").setAttribute("className","hintf")}document.getElementById("txtHint").innerHTML=d.responseText},onFailure:function(d){return false}});return false};