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// // Validate compulsory radio button set // function checkRadio(obj) { var rtnStr = ""; for (var i=0; i 0) return true; else return false; } function cvtUpperCase(textObj) { if (textObj != null) textObj.value = textObj.value.toUpperCase(); } function cvtLowerCase(textObj) { if (textObj != null) textObj.value = textObj.value.toLowerCase(); } // // check numeric value // function isNumeric(sText) { var ValidChars = "0123456789."; var IsNumber=true; var Char; for (i = 0; i < sText.length && IsNumber == true; i++) { Char = sText.charAt(i); if (ValidChars.indexOf(Char) == -1) { IsNumber = false; } } return IsNumber; } // // check numeric value // function isAtoZ(sText) { var ValidChars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"; var IsNumber=true; var Char; for (i = 0; i < sText.length && IsNumber == true; i++) { Char = sText.charAt(i); if (ValidChars.indexOf(Char) == -1) { IsNumber = false; } } return IsNumber; } // // check HK tel number // function isHKTel(sNumber) { var validPrefix = "236789"; var firstDigit = sNumber.substring(0,1); if (sNumber.length < 8) return false; if (validPrefix.indexOf(firstDigit) > -1) return true; else return false; } // // check HK mobile number // function isHKMobile(sNumber) { var validPrefix = "689"; var firstDigit = sNumber.substring(0,1); if (sNumber.length < 8) return false; if (validPrefix.indexOf(firstDigit) > -1) return true; else return false; } // // Validate number of selected checkbox options see if it // exceed the max allowance // function cbxValidate(cbx, maxChoices) { var i; var choice = 0; for (i=0; i maxChoices) return false; } return true; } function win(imgname,imgname2){ win2=window.open("","","width=400,height=443,toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=0") if (win2){ win2.focus() win2.document.open() win2.document.write("Yiu Wing Polybags Fty") win2.document.write("") win2.document.write("") win2.document.write("

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