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Nov 26, 2007, 06:45 #1
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- May 2007
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JS: automatic calculate without click any button
i have a hidden form value which contain of the TOTAL., let say the total is rm100.
then i have anohter two radio button and two text box, one radio button for one text box.
for the first radio button & textbox set, the user should insert the percentage; for the second radio button and terxt box set, the user should insert the ringgit malaysia.
then how can i get the value form the hidden and the text box and radio button, it will automatically calcualte the discount rate witout submit any button.
let say i have the hidden total is rm100, then i choose ringgit radio button and insert rm50 into the text box, then below there will display rm50(rm100-rm50)?..plz help..plz guide me some coding..thanx.