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<script language="vbscript">
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function checkstr(strname)
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strn=trim(strname.value)
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str=trim(strname.value)
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for i=1 to len(str)
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strcheck=asc(left(str,1))
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if not ((strcheck=<122 and strcheck>=97) or (strcheck<=90 and strcheck>=65) or (strcheck<=57 and strcheck>=48)) then
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msgbox("请勿使用除英文字母及数字以外的字符！")
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strname.value = left(strn,i-1)
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strname.focus
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exit for
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end if
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str=Right(str,len(str)-1)
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next
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end function
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function checknum()
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checknum=true
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if not document.all.txtMailSize.value="" then
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if not IsNumeric(document.all.txtMailSize.value) then
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msgbox("请勿使用数字以外的字符！")
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document.all.txtMailSize.value=""
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document.all.txtMailSize.focus
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checknum=false
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else if document.all.txtMailSize.value>5 or document.all.txtMailSize.value<0 then
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msgbox("请填写5-0之间的数字！")
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document.all.txtMailSize.value=""
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document.all.txtMailSize.focus
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checknum=false
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end if
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end if
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end if
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end function
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function checkupdate()
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checkupdate=true
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if document.all.txtU_name.value="" or document.all.txtMailSize.value="" then
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msgbox("您填写的信息不完全！")
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checkupdate=false
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end if
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end function
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function compare()
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compare=true
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if not document.all.txtRePsw.value =document.all.txtPsw.value then
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msgbox("两次密码输入不一致！")
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document.all.txtRePsw.focus
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compare=false
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end if
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end function
