function isMailOk(textObj){
var mail=textObj.value;
    if (mail.match(/^[A-Za-z0-9-_\.]+?@([A-Za-z0-9-_]+?)(\.[A-Za-z_]+)*(\.[A-Za-z_]{2,})+$/i)) 
        return false;
    else
        return true;
}

function emptyField(textObj){
     if (textObj.value.length == 0) return true;
     for (var i=0; i<textObj.value.length; ++i) {
          var ch = textObj.value.charAt(i);
          if (ch != ' ' && ch != '\t') return false;
     }
     return true;
}


function check(){
var error = 0; var error_message='';
if (emptyField(document.form1.firstname)) {error_message = error_message + " - Please enter your First Name\n"; error=1;}
if (emptyField(document.form1.lastname)) {error_message = error_message + " - Please enter your Last Name\n"; error=1;}
if (isMailOk(document.form1.email)) {error_message = error_message + " - Please enter your Email Address correctly\n"; error=1;}
if (error == 1) {alert(error_message); return false;} else {return true;}
}

function antispam(x,y) {
	ext='com';
	name1='bodyclinic';
	name2='hale';
	link1='mai';
	link2='lto:';
	nfs='@';
	document.write('<a href="#" onMouseOver="this.href='+"'"+link1+link2+x+y+nfs+name1+name2+'.'+ext+"'"+';">'+x+y+nfs+name1+name2+'.'+ext+'</a>');
}