function TrimChar (inputString, removeChar){
var returnString = inputString;
if (removeChar.length){
while(''+returnString.charAt(0)==removeChar){
returnString=returnString.substring(1,returnString.length);
}
while(''+returnString.charAt(returnString.length-1)==removeChar){ returnString=returnString.substring(0,returnString.length-1); 
  }
 }
return returnString;
}
function ValidEmail(email){
if((email.indexOf('@',0)==-1) || (email.indexOf('.')== -1 )){ return false; }
else {return true; }
}
function CheckField(Fld,Msge){
Fld.value=TrimChar(Fld.value," ");
if(TrimChar(Fld.value," ")==""){
alert(Msge);Fld.focus(); return false;} 
else { return true;}  
}
function Verify(){
var tmp, Msge;
tmp=document.signupform.fullname;
Msge='Please enter your full name';
if(!CheckField(tmp, Msge)){return false;}
tmp=document.signupform.email;
Msge='Please enter your email address';
if(!CheckField(tmp, Msge)){return false;}
else if(!ValidEmail(tmp.value)){
alert('Invalid email address format!'); 
tmp.focus();
return false; 
}
document.signupform.submit();
return true;
}