<input type="button" onclick="javascript:dosomething('a');" value="<?php echo $lang['send']; ?>" class="submit" /><input type="button" onclick="javascript:dosomething('b');" value="<?php echo $lang['send1']; ?>" class="submit" />
<form action="http://www.tzatziki.gr"><input type="submit" value="Button TEXT BLA BLA"></form>
<tr class="tfoot"><td colspan="4">CHECK OUT<input type="submit" value="$lang[send]" class="submit" /></td><tr class="tfoot"><td colspan="4">CREDIT CARD <input type="submit" value="$lang[send1]" class="submit" /></td><tr class="tfoot"><td colspan="4"><form action="http://www.tzatziki.gr/">Γραψε οτι θες <input type="submit" value="Button TEXT BLA BLA"></form></td>
<script language="javascript" type="text/javascript"><!--function mysubmit(act) { var myform = document.formname; if (act == 1) { myform.action = "test1.php"; } else { myform.action = "test2.php"; } try { myform.onsubmit(); } catch(e){} myform.submit();}//--></script>
<form name="formname" action="test1.php" method="POST"><input type="button" id="sub1" name="sub1" onclick="mysubmit(1);" value="Submit" /><input type="button" id="sub2" name="sub2" onclick="mysubmit(2);" value="Submit" /></form>