xml parsing

[akamathb]

Hi All,i have the below input file.<data jsxid="jsxroot"><record jsxid="100" slno="1" property="DISTRIBUTION1" operator="=" value="UNITED KINGDOM"/><record jsxid="101" property="BRAND OWNER1" operator="Contains" value="HOOK"/><record jsxid="101" property="" operator="" value="HOOK"/><record jsxid="10111" property="BRAND OWNER2" operator="Contains" value="HOOK"/><record jsxid="100" slno="2" property="DISTRIBUTION1" operator="=" value="UNITED KINGDOM"/><record jsxid="101" property="BRAND OWNER1" operator="Contains" value="HOOK"/><record jsxid="101" property="" operator="" value="HOOK"/><record jsxid="10111" property="BRAND OWNER2" operator="Contains" value="HOOK"/></data>i have to check for slno attribute in each record and if it exists, i have to collect the set of records till i get the next slno and i have to process those records.how to retrive group of records based on slno?pls help