function tf(f, n){if (/[A-Za-z0-9]/.test(f.value)==false){alert(n + " is Required.");f.focus();return false;}return true;}
function tn(f, n){if (/(^\d+$)|(^\d+\.\d+$)/.test(f.value)==false){alert(n + " is Required in Number .");f.focus();return false;}return true;}
function te(f, n){if (/^[A-Za-z0-9][A-Za-z0-9_\.\-]*@[A-Za-z0-9][A-Za-z0-9_\.\-]*\.[A-Za-z0-9]{2,}$/.test(f.value)==false){alert(n + " is not valid.");f.focus();return false;}return true;}
function tp(f, n){if (/^([0-9][ \-]?){6,}$/.test(f.value)==false){alert(n + " is Not Valid.");f.focus();return false;}return true;}
function td(f, n){if (/^([0-9][ \-]?){6,}$/.test(f.value)==false){alert(n + " is Not Valid.");f.focus();return false;}return true;}
function ts(f, n){if (f[f.selectedIndex].value==''){alert(n + " is Not Selected.");f.focus();return false;}return true;}