rendered paste body<script language="JavaScript" type="text/javascript"> function VerifyFC(FCToCheck){ obj1 = document.getElementById('friendcode1st'); obj2 = document.getElementById('friendcode2nd'); obj3 = document.getElementById('friendcode3rd'); obj4 = document.getElementById('FCVerify'); if(obj1.value=="" | obj2.value=="" | obj3.value=="" | obj1.value < 0 | obj2.value < 0 | obj3.value < 0 | obj1.value.length != 4 | obj2.value.length != 4 | obj3.value.length != 4){ obj4.src='./images/Special/Cross.PNG'; }else{ if(obj1.value!=""){ FC = obj1.value + obj2.value + obj3.value; if(isNaN(FC)){ var obj1value = obj1.value; obj1.value = obj1value.replace("-", ""); obj4.src='./images/Special/Cross.PNG'; }else{ obj4.src='./images/Special/Check.PNG'; }}else{obj4.src='./images/Special/Cross.PNG';} } obj1.value = parseInt(obj1.value, 10); obj2.value = parseInt(obj2.value, 10); obj3.value = parseInt(obj3.value, 10); } friendcode1st.onkeydown = function(event){ if( parseInt( event.keyCode ) < 48 || parseInt( event.keyCode ) > 57 ) alert('qereteuiote'); return false } </script> <input type="text" onkeyup="VerifyFC(this.value)" onfocus="VerifyFC(this.value)" class="post" style="width: 40px" name="friendcode1st" id="friendcode1st" size="25" maxlength="4" value="2948" /> - <input type="text" onkeyup="VerifyFC(this.value)" onfocus="VerifyFC(this.value)" class="post" style="width: 40px" name="friendcode2nd" id="friendcode2nd" size="25" maxlength="4" value="1840" /> - <input type="text" onkeyup="VerifyFC(this.value)" onfocus="VerifyFC(this.value)" class="post" style="width: 40px" name="friendcode3rd" id="friendcode3rd" size="25" maxlength="4" value="6837" /> <img src="./images/Special/Cross.PNG" name="FCVerify" id="FCVerify"/>