Trucos de Javascript Menú desplegable con categorías

<;html>; <;head>; <;title>; SlideMenu <;/title>; <;style type="text/css">; DIV.clSlide{position:absolute; ;z-index:10; left:0; width:138; height:22; clip:rect(0,138,22,0); padding:3px;} DIV.clSlideSub{position:absolute; ;z-index:10; padding:2px; clip:rect(0,127,20,0); width:127; height:20; left:8; visibility:hidden} DIV.clSlideSub2{position:absolute; ;z-index:10; padding:2px; clip:rect(0,118,20,0); width:118; height:20; left:8; visibility:hidden} #divSlideCont{position:absolute; z-index:10; left:0; top:100; height:600; width:170; visibility:hidden} A.clSlideLinks{font-family:Verdana, Helvetica, Helv; font-size:11px; font-weight:bold; text-decoration:none; color:white} A.clSlideSubLinks{font-family:Verdana, Helvetica, Helv; font-size:10px; text-decoration:none; color:Navy} A.clSlideSub2Links{font-family:Verdana, Helvetica, Helv; font-size:9px; text-decoration:none; color:Navy} <;/style>; <;script language="JavaScript" type="text/javascript">; /********************************************************************************** SlideMenu * Copyright (C) 2001 Thomas Brattli * This script was released at DHTMLCentral.com *********************************************************************************/ function lib_bwcheck(){ //Browsercheck (needed) this.ver=navigator.appVersion this.agent=navigator.userAgent this.dom=document.getElementById?1:0 this.opera5=(navigator.userAgent.indexOf("Opera")>;-1 && document.getElementById)?1:0 this.ie5=(this.ver.indexOf("MSIE 5")>;-1 && this.dom && !this.opera5)?1:0; this.ie6=(this.ver.indexOf("MSIE 6")>;-1 && this.dom && !this.opera5)?1:0; this.ie4=(document.all && !this.dom && !this.opera5)?1:0; this.ie=this.ie4||this.ie5||this.ie6 this.mac=this.agent.indexOf("Mac")>;-1 this.ns6=(this.dom && parseInt(this.ver) >;= 5) ?1:0; this.ns4=(document.layers && !this.dom)?1:0; this.bw=(this.ie6 || this.ie5 || this.ie4 || this.ns4 || this.ns6 || this.opera5) return this } var bw=lib_bwcheck() //Opera didn't seem to like the padding in the layers, it messes up the background-images, so here's a version without it. if(bw.opera5) document.write("<;style>;DIV.clSlide{padding:0px; background-image:url(' ')}\nDIV.clSlideSub{padding:0px; background-image:url(' ')}\nDIV.clSlideSub2{padding:0px; background-image:url(' ')}<;/style>;") /************************************************************************************ Making cross-browser objects ************************************************************************************/ function makeMenuObj(obj,nest){ nest=(!nest) ? "":'document.'+nest+'.' this.css=bw.dom? document.getElementById(obj).style:bw.ie4?document.all[obj].style:bw.ns4?eval(nest+"document.layers." +obj):0; this.el=bw.dom?document.getElementById(obj):bw.ie4?document.all[obj]:bw.ns4?eval(nest+'document.'+obj):0; this.ref=bw.dom || bw.ie4? document:bw.ns4?eval(nest+"document.layers." +obj+".document"):0; this.x=(bw.ns4 || bw.ns5)? this.css.left:this.css.offsetLeft; this.y=(bw.ns4 || bw.ns5)? this.css.top:this.css.offsetTop; this.hideIt=b_hideIt; this.showIt=b_showIt; this.movey=b_movey this.moveIt=b_moveIt; this.moveBy=b_moveBy; this.status=0; this.bgImg=b_bgImg; this.obj = obj + "Object"; eval(this.obj + "=this"); this.clipTo=b_clipTo; return this } function b_showIt(){this.css.visibility="visible"; this.status=1} function b_hideIt(){this.css.visibility="hidden"; this.status=0} function b_movey(y){this.y=y; this.css.top=this.y} function b_moveIt(x,y){this.x=x; this.y=y; this.css.left=this.x;this.css.top=this.y} function b_moveBy(x,y){this.x=this.x+x; this.y=this.y+y; this.css.left=this.x;this.css.top=this.y} function b_bgImg(img){if(bw.ie||bw.dom)this.css.backgroundImage="url("+img+")" else this.css.background.src=img } function b_clipTo(t,r,b,l,w){if(bw.ns4){this.css.clip.top=t;this.css.clip.right=r this.css.clip.bottom=b;this.css.clip.left=l }else{this.css.clip="rect("+t+","+r+","+b+","+l+")"; if(w){this.css.width=r; this.css.height=b}}} /******************************************************************************** Initiating page, making objects.. ********************************************************************************/ function SlideMenuInit(){ oSlideMenu=new makeMenuObj('divSlideCont') oSlideMenu.moveIt(menux,menuy) oSlide=new Array() for(i=0;i<;menus.length;i++){ oSlide[i]=new makeMenuObj('divSlide'+i,'divSlideCont') oSlide[i].subs=menus[i].subs oSlide[i].sub=new Array() oSlide[i].moveIt(0,mainheight*i) oSlide[i].starty=oSlide[i].y if(bw.opera) oSlide[i].css.paddingLeft="10px" if(!menus[i].seperator) oSlide[i].bgImg(level0_regular) for(j=0;j<;oSlide[i].subs;j++){ oSlide[i].sub[j]=new makeMenuObj('divSlideSub'+i+"_"+j,'divSlideCont') oSlide[i].sub[j].moveIt(10,oSlide[i].y+subheight*j+between) oSlide[i].sub[j].starty=oSlide[i].sub[j].y oSlide[i][j]=new Array() oSlide[i][j].subs=menus[i][j].subs oSlide[i][j].sub=new Array() img=level1_round if(oSlide[i][j].subs!=0){ if(j!=oSlide[i].subs-1) img=level1_sub else img=level1_sub_round oSlide[i].sub[j].css.color="white" }else{ if(j!=oSlide[i].subs-1)img=level1_regular } oSlide[i].sub[j].origimg=img oSlide[i].sub[j].bgImg(img) for(a=0;a<;oSlide[i][j].subs;a++){ oSlide[i][j].sub[a]=new makeMenuObj('divSlideSub'+i+"_"+j+"_"+a,'divSlideCont') oSlide[i][j].sub[a].moveIt(20,oSlide[i].sub[j].y+subheight*a+between-2) oSlide[i][j].sub[a].starty=oSlide[i][j].sub[a].y oSlide[i][j][a]=new Array() oSlide[i][j][a].subs=menus[i][j][a].subs oSlide[i][j][a].sub=new Array() if(a!=oSlide[i][j].subs-1) img=level2_regular else img=level2_round oSlide[i][j].sub[a].origimg=img oSlide[i][j].sub[a].bgImg(img) } } } oSlideMenu.showIt() } /******************************************************************************** Variables ********************************************************************************/ var active=-1;var going;var isthere; var sactive=-1; var sisthere=-1; var s2active=-1; var s2isthere=-1 /******************************************************************************** Switch menu function. ********************************************************************************/ function swmenu(num,snum,s2num){ if(snum!=-1){ if(oSlide[num][snum].subs==0) return } if(s2num!=-1){ if(oSlide[num][snum][s2num].subs==0) return } if((num!=active || snum!=sactive || s2num!=s2active) && !going){going=true;isthere=0;sisthere=0;moveUp(num,snum,s2num)} } /******************************************************************************** Moving the menus upward to their original position. ********************************************************************************/ function moveUp(num,snum){ if(snum==-1){ for(i=0;i<;oSlide.length;i++){ if(oSlide[i].y>;oSlide[i].starty+pxspeed && active!=i) oSlide[i].moveBy(0,-pxspeed) else{if(active!=i) oSlide[i].moveIt(oSlide[i].x,oSlide[i].starty); isthere=i} } if(isthere<;oSlide.length-1) setTimeout("moveUp("+num+","+snum+")",timspeed) else swmenu2(num,snum) }else{ if(num==oSlide.length-1) isthere=num if(sactive!=-1){ //Is out! //Slide subs j=0 for(i=sactive+1;i<;oSlide[num].sub.length;i++){ j++ if(oSlide[num].sub[i].y>;oSlide[num].sub[i].starty+pxspeed) oSlide[num].sub[i].moveBy(0,-pxspeed) else{oSlide[num].sub[i].moveIt(oSlide[num].sub[i].x,oSlide[num].sub[i].starty); sisthere=i} } //Slide main for(i=num+1;i<;oSlide.length;i++){ if(oSlide[i].y>;oSlide[i].starty + oSlide[num].sub[sactive].y +subheight*j ) oSlide[i].moveBy(0,-pxspeed) else{oSlide[i].moveIt(oSlide[i].x,oSlide[i].starty + oSlide[num].sub[sactive].y +subheight*j ); isthere=i} } }else{ //Slide to the one clicked for(i=num+1;i<;oSlide.length;i++){ if(oSlide[i].y>;oSlide[i].starty + snum*between+between) oSlide[i].moveBy(0,-pxspeed) else{oSlide[i].moveIt(oSlide[i].x,oSlide[i].starty + snum*between+between); isthere=i} } } if(isthere<;oSlide.length-1 || (sactive!=-1 && sisthere<;oSlide[num].sub.length-1 && sactive!=oSlide[num].sub.length-1)) setTimeout("moveUp("+num+","+snum+")",timspeed) else swmenu2(num,snum) } } /******************************************************************************** Switch menu 2, stuff that happens before the menus are moved down again. ********************************************************************************/ function swmenu2(num,snum){ isthere=0; sisthere=0; if(active>;-1 && snum==-1){ //Hiding submenus for(j=0;j<;oSlide[active].subs;j++){oSlide[active].sub[j].hideIt()} oSlide[active].bgImg(level0_regular) oSlide[active].moveIt(0,oSlide[active].starty) } if(sactive>;-1){ //Hiding submenus for(j=0;j<;oSlide[active][sactive].sub.length;j++){oSlide[active][sactive].sub[j].hideIt()} oSlide[active].sub[sactive].bgImg(oSlide[active].sub[sactive].origimg) oSlide[active].sub[sactive].moveIt(10,oSlide[active].sub[sactive].starty) //Move back to place for(i=sactive+1;i<;oSlide[active].sub.length;i++){ oSlide[active].sub[i].moveIt(oSlide[active].sub[i].x,oSlide[active].sub[i].starty) } } active=num //Showing submenus if(snum>;-1){ sactive=snum for(j=0;j<;oSlide[num][snum].sub.length;j++){oSlide[num][snum].sub[j].showIt()} oSlide[num].sub[snum].moveBy(10,3) oSlide[num].sub[snum].bgImg(level1_round2) }else{ sactive=-1 for(j=0;j<;oSlide[active].subs;j++){oSlide[active].sub[j].showIt()} oSlide[num].moveBy(10,3) oSlide[num].bgImg(level0_round) } if(num!=oSlide.length-1) moveDown(num,snum) else{ isthere=num moveDown(num,snum) } } /******************************************************************************** Moving the menus down ********************************************************************************/ function moveDown(num,snum){ //if(num==oSlide.length-1) isthere=num for(i=num+1;i<;oSlide.length;i++){ if(snum==-1){ if(oSlide[i].y<;(oSlide[num].subs-1)*subheight+oSlide[i].starty+between-pxspeed) oSlide[i].moveBy(0,pxspeed) else{oSlide[i].moveIt(oSlide[i].x,(oSlide[num].subs-1)*subheight+oSlide[i].starty+between); isthere=i} }else{ if(oSlide[i].y<;(oSlide[num].subs-1)*subheight+oSlide[i].starty+between-pxspeed + (oSlide[num][snum].subs-1)*subheight+between) oSlide[i].moveBy(0,pxspeed) else{oSlide[i].moveIt(oSlide[i].x,(oSlide[num].subs-1)*subheight+oSlide[i].starty+between + (oSlide[num][snum].subs-1)*subheight+between); isthere=i} } } if(snum!=-1){ for(i=snum+1;i<;oSlide[num].sub.length;i++){ if(oSlide[num].sub[i].y<;(oSlide[num][snum].subs-1)*subheight+oSlide[num].sub[i].starty+between-pxspeed) oSlide[num].sub[i].moveBy(0,pxspeed) else{oSlide[num].sub[i].moveIt(oSlide[num].sub[i].x,(oSlide[num][snum].subs-1)*subheight+oSlide[num].sub[i].starty+between); sisthere=i} } } if(snum==-1){ if(isthere<;oSlide.length-1) setTimeout("moveDown("+num+","+snum+")",timspeed) else going=false }else{ if(isthere<;oSlide.length-1 || (sisthere<;oSlide[num].sub.length-1 && snum!=oSlide[num].sub.length-1)) setTimeout("moveDown("+num+","+snum+")",timspeed) else going=false } } var test=0 /******************************************************************************** Functions to write out the layers... ********************************************************************************/ menus=new Array(); var a=0; var b=0; var c=0; var d=0 function makeMenu(type,text,lnk,target,end){ str=""; tg=""; if(target) tg='target="'+target+'"' if(!lnk) lnk="#" self.status=lnk if(a==0) str='<;div id="divSlideCont">;\n' if(type=="top"){ menus[a]=new Array(); if(text=="seperator"){ str+='\t<;div id="divSlide'+a+'" class="clSlide">;<;/div>;\n' menus[a].seperator=1 }else{ str+='\t<;div id="divSlide'+a+'" class="clSlide">;<;a href="'+lnk+'" '+tg+' onclick="swmenu('+a+',-1,-1); if(bw.ie || bw.ns6) this.blur(); ' if(lnk=="#") str+='return false' str+='" class="clSlideLinks">; '+text+'<;/a>;<;br>;<;/div>;\n' } menus[a].subs=0; a++; b=0 }else if(type=="sub"){ str+='\t\t<;div id="divSlideSub'+(a-1)+'_'+(b)+'" class="clSlideSub">;<;a '+tg+' onclick="swmenu('+(a-1)+','+b+',-1); if(bw.ie || bw.ns6) this.blur(); ' if(lnk=="#") str+='return false' str+='" href="'+lnk+'" class="clSlideSubLinks">; '+text+'<;/a>;<;br>;<;/div>;\n' b++; menus[a-1].subs=b; menus[a-1][b-1]=new Array(); c=0; menus[a-1][b-1].subs=0 }else if(type=="sub2"){ str+='\t\t<;div id="divSlideSub'+(a-1)+'_'+(b-1)+'_'+c+'" class="clSlideSub2">;<;a '+tg+' href="'+lnk+'" class="clSlideSub2Links">; '+text+'<;/a>;<;br>;<;/div>;\n' c++; menus[a-1][b-1].subs=c; menus[a-1][b-1][c-1]=new Array(); d=0; menus[a-1][b-1][c-1].subs=0 } if(end) str+="<;/div>;" document.write(str) } function preLoadBackgrounds(){ for(i=0;i<;arguments.length;i++){ this[i]=new Image() this[i].src=arguments[i] } return this } <;/script>; <;/head>; <;body bgcolor="#FFFFFF">; <;script>; //Variables to set between=28 //The pixel between the menus and the submenus mainheight=25 //The height of the mainmenus subheight=22 //The height of the submenus pxspeed=13 //The pixel speed of the animation timspeed=15 //The timer speed of the animation menuy=80 //The top placement of the menu. menux=0 //The left placement of the menu //Images - Play with these level0_regular="ejemplos/level0_regular.gif" level0_round="ejemplos/level0_round.gif" level1_regular="ejemplos/level1_regular.gif" level1_round="ejemplos/level1_round.gif" level1_sub="ejemplos/level1_sub.gif" level1_sub_round="ejemplos/level1_sub_round.gif" level1_round2="ejemplos/level1_round2.gif" level2_regular="ejemplos/level2_regular.gif" level2_round="ejemplos/level2_round.gif" //Leave this line preLoadBackgrounds(level0_regular,level0_round,level1_regular,level1_round,level1_sub,level1_sub_round,level1_round2,level2_regular,level2_round) //There are 3 different types of menus you can make //top = Main menus //sub = Sub menus //sub2 = SubSub menus //You control the look of the menus in the stylesheet //makeMenu('TYPE','TEXT','LINK','TARGET', 'END (THE LAST MENU)') //Menu 0 makeMenu('top','News') makeMenu('sub','Newest news','/news/index.asp') makeMenu('sub','News archive','/news/archive.asp') //Menu 1 makeMenu('top','Scripts') makeMenu('sub','New scripts','/script/search.asp?new=1') makeMenu('sub','All scripts','/script/index.asp') makeMenu('sub','Categories') makeMenu('sub2','Menu scripts','/script/search.asp?category=menu') makeMenu('sub2','Text scripts','/script/search.asp?category=text') makeMenu('sub2','Animation scripts','/script/search.asp?category=animation') makeMenu('sub2','Other scripts','/script/search.asp?category=other') //Menu 2 makeMenu('top','Tutorials') makeMenu('sub','Tutorials','/tutorials/index.asp') //Menu 3 makeMenu('top','Forums') makeMenu('sub','Cool sites','forums/forum.asp?FORUM_ID=1&CAT_ID=1&Forum_Title=Cool+sites') makeMenu('sub','CoolMenus','forums/forum.asp?FORUM_ID=2&CAT_ID=1&Forum_Title=CoolMenus') makeMenu('sub','Crossbrowser','forums/forum.asp?FORUM_ID=3&CAT_ID=1&Forum_Title=Crossbrowser+DHTML') makeMenu('sub','Scripts','forums/forum.asp?FORUM_ID=4&CAT_ID=1&Forum_Title=DHTML+Scripts') makeMenu('sub','dhtmlcentral.com','forums/forum.asp?FORUM_ID=5&CAT_ID=1&Forum_Title=dhtmlcentral%2Ecom') makeMenu('sub','General','forums/forum.asp?FORUM_ID=6&CAT_ID=1&Forum_Title=General+DHTML+issues') makeMenu('sub','Off-topic','forums/forum.asp?FORUM_ID=9&CAT_ID=1&Forum_Title=Off%2Dtopic') makeMenu('sub','Active topics','forums/active.asp') //Menu 4 makeMenu('top','CoolMenus') makeMenu('sub','Examples','coolmenus/examples/') makeMenu('sub','Download','coolmenus/download.asp') makeMenu('sub','Tutorial','coolmenus/tutorial.asp') makeMenu('sub','FAQ','faq/index.asp') //Menu 5 makeMenu('top','Resources') makeMenu('sub','DHTML Links','resources/default.asp') //Menu 6 makeMenu('top','dhtmlcentral') makeMenu('sub','dhtmlcentral','dhtmlcentral/index.asp',"",1) //Starting the menu onload=SlideMenuInit; <;/script>; <;br>; Para de descargar este menú en forma completa debes hacer clic! <;a href="ejemplos/slide.zip">; aca<;/a>;. <;/body>; <;/html>;