function check(t1,t2,t3,t4){if(document.register.email.value==""){alert(t1);return false;}if(document.register.username.value==""){alert(t2);return false;}if(document.register.password.value!=document.register.password2.value){alert(t3);return false;}if(document.register.password.value.length<4){alert(t4);return false;}}function getXMLData(_5){if(xmlhhtp=getXMLHttpObject()==false){alert("Error!");return;}xmlhttp.open("GET",_5,true);xmlhttp.onreadystatechange=handleHttpState;xmlhttp.send(null);}function getXMLHttpObject(){try{xmlhttp=new XMLHttpRequest();}catch(error){try{xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");}catch(error){return false;}}}function handleHttpState(){if(xmlhttp.readyState==4){if(xmlhttp.status==200){parseData();}else{}}}function parseData(){var _6=xmlhttp.responseText;if(_6=="1"){alert("Este nombre de usuario ya existe");document.register.username.value="";document.register.username.focus();}if(_6=="2"){alert("Este correo electronico ya esta registrado");document.register.email.value="";document.register.email.focus();}}function checkuser(){var _7=document.register.username.value;if(_7!=""){getXMLData("ajax_register.asp?username="+escape(_7));}}function checkemail(){var _8=document.register.email.value;if(_8!=""){getXMLData("ajax_register.asp?email="+escape(_8));}}