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DHTML实例 <html <head> < title> dhTml示例<tle <script language="JavaScript ns=( document layers)? true: false ie=( documentall)? true: flase function init() f if (ns) block= document. blockDiv if (ie) block=blockDiv style blockxpos=parseInt( block left) block ypos=parseInt( block. top 网页设计与制作网页设计与制作 7 DHTML实例 <html> <head> <title>DHTML 示例</title> <script language="JavaScript"> <!-- ns = ( document.layers ) ? true : false ie = ( document.all ) ? true : flase function init( ) { if (ns) block = document.blockDiv if (ie) block = blockDiv.style block.xpos = parseInt( block.left ) block.ypos = parseInt( block.top ) }