function validChar(item) {

var valAt;
var valDot;

valAt = item.value.indexOf("@");
valDot = item.value.indexOf(".");


if (valAt == -1 || valDot == -1 || item.value.indexOf(" ") != -1){
return false;
}
else
return true;
}


function checkEmail(){
if (!validChar(document.forms[0].email)){
alert("Please enter a valid email address!");
document.forms[0].email.focus();
return false;
}
else 
return true;
}

function chkField() {
if(document.forms[0].thrd.value <= 0) 
{
alert("Please fill in a subject!");
return false;
}
else
return true;
}

function delqwot(qwot) {

var lth = "<";
var gth = ">";

a = qwot.indexOf(lth);
b = qwot.indexOf(gth);

qwotlen = qwot.length;

c = qwot.substring(0, a);

d = qwot.substring((b + 1), qwotlen);

e = qwot.substring((a + 1), qwotlen);

str = c + d

tmp = str.indexOf(lth);
tmp1 = str.indexOf(gth);

if(tmp != -1 && tmp1 == -1) {
str = e;
}
else if(tmp != -1 && tmp1 != -1) {
str = delqwot(str);
}
return str;
}

function cleanIt() {

ToCheck = document.forms[0].elements[1].value;

Checked = delqwot(ToCheck);

document.forms[0].elements[1].value = Checked;
}
function cleanIt2() {

ToCheck = document.forms[0].elements[2].value;

Checked = delqwot(ToCheck);

document.forms[0].elements[2].value = Checked;
}
function cleanIt3() {

ToCheck = document.forms[0].elements[3].value;

Checked = delqwot(ToCheck);

document.forms[0].elements[3].value = Checked;
}