rendered paste body<html><head><script type="text/javascript">function errorcheck(){var flag1=1var flag2=1var vstring = ""vstring=uinput.address.valueif (vstring==""){alert("Must Enter an Address.");flag=0}else{vstring=uinput.uemail.valuealert(vstring);flag=1for (i = 1; i <= vstring.length; i++) { if (vstring.charAt(i)="@") { alert("@"); } if (vstring.charAt(i)=".") { alert("."); flag=1 } }}}</script></head><body><form name="uinput" action="" method="get"><!name>First Name: <input type="text" name="first"><br>Last Name: <input type="text" name="last"><br>Age:<select name="age"><option value=a12>12<option value=a13>13<option value=a14>14<option value=a15>15<option value=a16>16<option value=a17>17<option value=a18>18<option value=a19>19<option value=a20>20<option value=a21>21</select><br>Grade:<select name="grade"><option value=g9>9<option value=g10>10<option value=g11>11<option value=g12>12<option value=g13>13</select><br>Address:<input type="text" name="address"><br>Postal Code:<input type="text" name="postcode"><br>Province:<select name="province"><option value=yk>Yukon<option value=nw>North West Territories<option value=nv>Nunavit<option value=bc>British Columbia<option value=ab>Alberta<option value=sk>Saskatchewan<option value=mn>Manitoba<option value=on>Ontario<option value=qc>Quebec<option value=nf>New FoundLand<option value=ns>Nova Scotia<option value=nb>New Brunswick<option value=pe>Prince Edward Island</select><br>Email:<input type="text" name="uemail"><br><br><input type="submit" value="Click" onClick="errorcheck()"></form></body> </html>