<head> <title>Katy Whitton Web Development - Limit Checkboxes</title> <script language="JavaScript"> var ItemCount=0 var MaxItemCount=2 function setItems(item) { if(item.checked) {ItemCount=ItemCount+1} else {ItemCount=ItemCount-1} if (ItemCount>MaxItemCount) {item.checked=false ItemCount=ItemCount-1 alert('You may only choose '+MaxItemCount+' Industries') } } </script> </head> <body><br />Select a Maxmimum of 2 items: <form name="form" target="blank"> Item 1 <input type="checkbox" name="item1" value="item1" onclick="setItems(this)"><br /> Item 2 <input type="checkbox" name="item2" value="item2" onclick="setItems(this)"><br /> Item 3 <input type="checkbox" name="item3" value="item3" onclick="setItems(this)"><br /> Item 4 <input type="checkbox" name="item4" value="item4" onclick="setItems(this)"><br /> Item 5 <input type="checkbox" name="item5" value="item5" onclick="setItems(this)"><br /> </form> </form> </body></html>
