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 CheckEmail(Fld) {
var tmp;
Fld.value=TrimChar(Fld.value," ");
tmp=Fld.value;
if (tmp=="") {alert("Please provide your email address");
Fld.focus(); return false;
}
else if ( (tmp.indexOf('@',0)==-1) || (tmp.indexOf('.')== -1 ) ){ 
alert("Invalid email address format!");Fld.focus(); 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 CheckNumber(Fld,Fldname){
var tmp;
Fld.value=TrimChar(Fld.value," ");
tmp=Fld.value;
if(tmp==""){ alert("Please provide "+Fldname+"?");  Fld.focus();return false;}
else if (isNaN(tmp)){ 
alert("Invalid "+ Fldname+" format!\n"+
      "Must be number. No comma please!"); 
Fld.focus();  
return false;} 
else{ return true;}
}



	 
	 
//------------------------------- 
function checkit() {
var tmp,Msge;

tmp=eval("document.myform.Firstname");
Msge="Please provide your first name";
if (!CheckField(tmp, Msge)) {return false;}

tmp=eval("document.myform.Lastname");
Msge="Please provide your last name";
if (!CheckField(tmp, Msge)) {return false;}

tmp=eval("document.myform.Email");
if (!CheckEmail(tmp)) {return false;}

tmp=eval("document.myform.City");
Msge="Please provide your city";
if (!CheckField(tmp, Msge)) {return false;}

tmp=eval("document.myform.Country");
Msge="Please provide your country";
if (!CheckField(tmp, Msge)) {return false;}

document.myform.submit( );
return true;

}