用鼠标来选择自己感兴趣的背景图片

<!-- http://www.vevb.com/js --><!-- bbs http://www.vevb.com/bbs--><!--加入到head代码 -->加入到head区的代码：<style type="text/<a href="http://www.vevb.com/article.asp?typeid=38">CSS</a>">.textstyle{font: bold 12px Verdana;line-height: 1.5;}.formstyle{background-color: #E1E1E1;}</style><scr<a href="http://ip.vevb.com/">ip</a>t type="text/<a href="http://www.vevb.com/article.asp?typeid=160">java</a>script">var contacts=new Array()//Specify text and corresponding email address.//Use [at] and [dot] in place of "@" and "." for anti spam purpose:contacts[0]=["Chris Timber", "chris[at]whatever[dot]com"]contacts[1]=["John Doe", "johndoe[at]whatever2[dot]com"]contacts[2]=["Jannet Low", "janet[at]whatever3[dot]com"]contacts[3]=["Albert Good", "albertgood[at]whatever4[dot]com"]//Specify caption text to display within SELECT menu. Only applicable if you're using the form option:var dropmenucaption="CONTACT US FORM "function displaycontact(emailarray, cssclass, displaymethod, extrainfo){if (displaymethod=="text"){document.write('<span class="' + cssclass + '">/n')if (typeof emailarray[0]=="object"){ //if array passed consists of multiple elementsfor (i=0; i<emailarray.length; i++){var seperator=(i<emailarray.length-1)? extrainfo : ""document.write('<a href="mailto:' + modifyemail(emailarray[i][1])+ '">'+ emailarray[i][0] + '</a>' + seperator)}}else //else if it is a single array elementdocument.write('<a href="mailto:' + modifyemail(emailarray[1])+ '">'+ emailarray[0] + '</a>')document.write('</span>')}else if (displaymethod=="form"){document.write('<form>/n')document.write('<select size="' + extrainfo + '" onChange="jumptooption(this)" class="' + cssclass + '">/n')document.write('<option value="caption">' + dropmenucaption + '</option>/n')for (i=0; i<emailarray.length; i++)document.write('<option value="mailto:' + modifyemail(emailarray[i][1]) +'">' + emailarray[i][0] + ' </option>/n')document.write('</select></form>/n')}}function modifyemail(emailitem){var modified=emailitem.replace(//[at]/gi, "@")modified=modified.replace(//[dot]/gi, ".")return modified}function jumptooption(themenu){if (themenu.options[themenu.selectedIndex].value !="caption")location=themenu.options[themenu.selectedIndex].value}//USAGE INSTRUCTION. displaycontact(1st paramter, "2nd paramter", "3rd paramter", "4th paramter")//1st parameter: Input the name of the array containing the list of email addresses. To display one single email, input the corresponding array element. //2nd parameter: Input the CSS Classname that is to be applied. Enter arbitrary name for none.//3rd parameter: Input either "form" or "text." Former will display email in drop down menu. Later in plain text. Only "text" mode supports displaying of single email address!//4th parameter: If in "form" mode, enter an integer to control the height of the <SELECT> tag. If "text" mode, enter any string to act as a divider between each email text. For example "|", "<br>" etc.//SAMPLE USAGES (uncomment below to see)//displaycontact(contacts, "textstyle", "text", " | ")//displaycontact(contacts, "formstyle", "form", "1")//displaycontact(contacts[2], "textstyle", "text", "")</script><!--body的代码：--><script type="text/<a href="http://www.vevb.com/article.asp?typeid=36">Javascript</a>">//display emails using dropdown menu with height of "1"displaycontact(contacts, "formstyle", "form", "1")//display emails using regular text links, separated by "<br>"displaycontact(contacts, "textstyle", "text", "<br>")//display the single email address contacts[2] from arraydisplaycontact(contacts[2], "textstyle", "text", "")</script><br><br><br><p><font color=red>//网站:http://www.vevb.com</font></p>