function A4(){if(!document.getElementById('backlink').value.match(/^http:\/\/\S+$/)){alert("The webpage address with a back-link\nto babelmondo.it does not seem to have the right format!");return false;}else if(!document.getElementById('outlink').value.match(/^http:\/\/\S+$/)){alert("The webpage address that you want us\nto link to does not seem to have the right format!");return false;}else if(document.getElementById('title').value.length>100||document.getElementById('title').value.match(/^\s*(\S+\s+){5}./)){alert("The title/anchor text of your link has more than the\nmaximally allowed 5 words or is longer than 100 characters!");return false;}else if(document.getElementById('description').value.length>500||document.getElementById('description').value.match(/^\s*(\S+\s+){30}./)){alert("The description for your link has more than the maximally\nallowed 30 words or is longer than 500 characters!");return false;}else if(document.getElementById('suggested_category').value.length>30){alert("The suggested category for your\nlink is more than 30 characters long!");return false;}else if(!document.getElementById('email').value.match(/^[\w\-\.]+\@[\w\-\.]{2,}\.\w{1,4}$/)){alert("Your email address seems to be invalid!\nWe will not be able to send you a confirmation message without this information.");return false;}else if(document.getElementById('category').value=="[new]"&&document.getElementById('suggested_category').value==""){alert("A suggestion for the category of your link is missing!");return false;}return true;}