overLIB 是一個生成提示框與彈出菜單等頁面效果的一段非常優(yōu)秀的JS代碼。
它可以簡單的通過設(shè)置一些參數(shù)或命令來改變彈出頁面的款式、皮膚與形狀,不但如此，它還提供了非常簡單的擴展功能，來足客戶的不同需求。
overLIB 使用非常的簡單。
一、在
標簽內(nèi)添加： 代碼如下:四、 命令與參數(shù)
popup
| Attribute Name | Type | Required | Default | Description |
|---|---|---|---|---|
| text | string | Yes | n/a | the text/html to display in the popup window |
| trigger | string | No | onMouseOver | What is used to trigger the popup window. Can be one of onMouseOver or onClick |
| sticky | boolean | No | false | Makes the popup stick around until closed |
| caption | string | No | n/a | sets the caption to title |
| fgcolor | string | No | n/a | color of the inside of the popup box |
| bgcolor | string | No | n/a | color of the border of the popup box |
| textcolor | string | No | n/a | sets the color of the text inside the box |
| capcolor | string | No | n/a | sets color of the box's caption |
| closecolor | string | No | n/a | sets the color of the close text |
| textfont | string | No | n/a | sets the font to be used by the main text |
| captionfont | string | No | n/a | sets the font of the caption |
| closefont | string | No | n/a | sets the font for the "Close" text |
| textsize | string | No | n/a | sets the size of the main text's font |
| captionsize | string | No | n/a | sets the size of the caption's font |
| closesize | string | No | n/a | sets the size of the "Close" text's font |
| width | integer | No | n/a | sets the width of the box |
| height | integer | No | n/a | sets the height of the box |
| left | boolean | No | false | makes the popups go to the left of the mouse |
| right | boolean | No | false | makes the popups go to the right of the mouse |
| center | boolean | No | false | makes the popups go to the center of the mouse |
| above | boolean | No | false | makes the popups go above the mouse. NOTE: only possible when height has been set |
| below | boolean | No | false | makes the popups go below the mouse |
| border | integer | No | n/a | makes the border of the popups thicker or thinner |
| offsetx | integer | No | n/a | how far away from the pointer the popup will show up, horizontally |
| offsety | integer | No | n/a | how far away from the pointer the popup will show up, vertically |
| fgbackground | url to image | No | n/a | defines a picture to use instead of color for the inside of the popup. |
| bgbackground | url to image | No | n/a | defines a picture to use instead of color for the border of the popup. NOTE: You will want to set bgcolor to "" or the color will show as well. NOTE: When having a Close link, Netscape will re-render the table cells, making things look incorrect |
| closetext | string | No | n/a | sets the "Close" text to something else |
| noclose | boolean | No | n/a | does not display the "Close" text on stickies with a caption |
| status | string | No | n/a | sets the text in the browsers status bar |
| autostatus | boolean | No | n/a | sets the status bar's text to the popup's text. NOTE: overrides status setting |
| autostatuscap | string | No | n/a | sets the status bar's text to the caption's text. NOTE: overrides status and autostatus settings |
| inarray | integer | No | n/a | tells overLib to read text from this index in the ol_text array, located in overlib.js. This parameter can be used instead of text |
| caparray | integer | No | n/a | tells overLib to read the caption from this index in the ol_caps array |
| capicon | url | No | n/a | displays the image given before the popup caption |
| snapx | integer | No | n/a | snaps the popup to an even position in a horizontal grid |
| snapy | integer | No | n/a | snaps the popup to an even position in a vertical grid |
| fixx | integer | No | n/a | locks the popups horizontal position Note: overrides all other horizontal placement |
| fixy | integer | No | n/a | locks the popups vertical position Note: overrides all other vertical placement |
| background | url | No | n/a | sets image to be used instead of table box background |
| padx | integer,integer | No | n/a | pads the background image with horizontal whitespace for text placement. Note: this is a two parameter command |
| pady | integer,integer | No | n/a | pads the background image with vertical whitespace for text placement. Note: this is a two parameter command |
| fullhtml | boolean | No | n/a | allows you to control the html over a background picture completely. The html code is expected in the "text" attribute |
| frame | string | No | n/a | controls popups in a different frame. See the overlib page for more info on this function |
| timeout | string | No | n/a | calls the specified javascript function and takes the return value as the text that should be displayed in the popup window |
| delay | integer | No | n/a | makes that popup behave like a tooltip. It will popup only after this delay in milliseconds |
| hauto | boolean | No | n/a | automatically determine if the popup should be to the left or right of the mouse. |
| vauto | boolean | No | n/a | automatically determine if the popup should be above or below the mouse. |
overLIB 可以接受任意個命令和參數(shù)。格式如下：命令[,'命令參數(shù)']
五、 overlib的一些使用示例
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