return lyrtxt;        }function MenuItem(label,action)        {        this.LABEL      =label  ;        this.ACTION     =action ;        this.SUB        =this.ACTION.substring(0,1)=="@";        this.RENDER     =""     ;        }function MenuListAPPEND(label,action)   //Appends an item to the menuobject        {        this.Items[this.Items.length]=new MenuItem(label,action);        if(label.length>this.greatestCharWidth)this.greatestCharWidth=label.length;        }function menuPop(tobj,imgId,imgSrc) //Pops up menu relative to <A> tag location on screen.        {        if ((imgId)&&(imgSrc))imgSwap(imgId,imgSrc);        objectName=tobj.href.substring(tobj.href.lastIndexOf("/")+1);        if(objectName.indexOf(".html")>-1)objectName=objectName.substring(0,objectName.indexOf("."))//      if(!menuCurrentPath)return;        if(menuCurrentPath.indexOf(":"+objectName+":")==0)return false;        if(menuCurrentPath.length>0)menuPOPDN();if(szDuds.indexOf(navigator.userAgent)>-1){if(tobj.href.indexOf(".html")==-1)tobj.href+=".html";return true;}        if(navigator.appVersion.indexOf("MSIE")>-1&&navigator.appVersion.indexOf("Mac")>-1)          {// compatible mac          if(tobj.href.indexOf(".html")==-1)tobj.href+=".html";          return true;          }        this.MX=((systemIsNS)?(tobj.x):window.event.clientX-window.event.offsetX+tobj.offsetLeft);        this.MY=((systemIsNS)?(tobj.y):window.event.clientY-window.event.offsetY+tobj.offsetTop);        if(!systemIsNS)MSIEmeasure(tobj,this);            this.MY+=menuYpopoff;        this.MX+=menuXpopoff;        menuPOPUP(this.MX,this.MY,objectName);        menuTimeOut=setTimeout("menuPOPDN()",menuAtimeout);        return false;        }function menuPOPUP(x,y,menulist)        //*** Opens named menu at given location        {        var DL=eval(menulist);        if(!DL){alert("menuPOPUP NULL "+menulist);return;}        menuSHOW(menulist,x,y);        if(!menuScreenWidth)          menuScreenWidth=(systemIsNS)?document.width:document.body.offsetWidth;        mkw=(DL.greatestCharWidth*menuCharWidth)+10;        var atX = ((x+mkw+20)>=menuScreenWidth)?x-mkw:x;        if(jsLAYERgetX(DL.mPANEL)!=atX)menuXY(DL,atX,y);        }function menuCREATE(szMlist,iLeft,iTop)        {        Left= 20;Top = 40;        if(menuCREATE.arguments.length>1)Left=iLeft;        if(menuCREATE.arguments.length>2)Top=iTop;        Mlist=eval(szMlist);        if(Mlist.mPANEL ==null)          {          Mlist.mPANEL=new jsMPANELclass(szMlist,0,"Hello","alert('hi')",Left,Top,((Mlist.greatestCharWidth+10)*menuCharWidth)+1,((menuCharHeight+1)*Mlist.Items.length)+1);          Mlist.mPANEL.mParent=Mlist;          var menuContent='';          menuContent='<TABLE BORDER=0 CELLSPACING=0 CELLPADDING=0><TR><TD>';          for(x=0;x<Mlist.Items.length;x++)           {           menuContent+=menuLABEL(Mlist.mPANEL,Mlist.Items[x].LABEL,false,Mlist.Items[x].SUB);           Mlist.Items[x].RENDER=menuLABEL(Mlist.mPANEL,Mlist.Items[x].LABEL,true,Mlist.Items[x].SUB);           }        menuContent+='</TD><TD BGCOLOR="#000000">&nbsp;</TD>';        menuContent+="</TR><TR><TD COLSPAN=2>&nbsp;</TD></TR></TABLE>";//alert(menuContent);          jsLAYERsetContent(Mlist.mPANEL,menuContent);          }        if(Mlist.mSELECT==null)          {          Mlist.mSELECT=new jsMSELECTclass(szMlist,1,"Hello","alert('hi')",Left,Top,(Mlist.greatestCharWidth+10)*menuCharWidth,menuCharHeight);          Mlist.mSELECT.mParent=Mlist;          jsLAYERsetContent(Mlist.mSELECT,Mlist.Items[0].RENDER);          }        }function menuSHOW(szMlist,iLeft,iTop)   // SHOW the menu        {        Left= 20;Top = 40;        if(menuSHOW.arguments.length>1)Left=iLeft;        if(menuSHOW.arguments.length>2)Top=iTop;        Mlist=eval(szMlist);        if(Mlist.mPANEL==null)menuCREATE(szMlist,iLeft,iTop);        if(jsLAYERgetX(Mlist.mPANEL)!=Left || jsLAYERgetY(Mlist.mPANEL)!=Top)            {            jsLAYERxy(Mlist.mPANEL,Left,Top)               jsLAYERxy(Mlist.mSELECT,Left,Top+(Mlist.EntryNum*(menuCharHeight+1)));            };         if(menuCurrentPath.indexOf(":"+szMlist+":")<0)menuCurrentPath+=((menuCurrentPath.length)?"":":")+szMlist+":";        if(Mlist.mPANEL.style.clip&&!systemIsNS)          {          Clips= Mlist.mPANEL.style.clip.split("rect(")[1].split(")")[0].split("px")          Clips[2]=Mlist.Items.length * (menuCharHeight+1);          Mlist.mPANEL.style.clip = "rect("+Array(0,Clips[1],Clips[2],0).join("px ")+"px)";          Mlist.mPANEL.style.zIndex=5;          Mlist.mSELECT.style.zIndex=6;          }        Mlist.mPANEL.style.visiblity='visible';//alert(Mlist.Items.length +" Item(s) "+ Mlist.mPANEL.style.clip);        jsLAYERshow(Mlist.mPANEL,true);        jsLAYERshow(Mlist.mSELECT,true);        }function menuHIDE(szMlist)      //  Hides the named menu        {        Mlist=eval(szMlist);        jsLAYERshow(Mlist.mSELECT,false);        jsLAYERshow(Mlist.mPANEL,false);        }function menuXY(Mlist,x,y)      // Moves the referenced menu        {        jsLAYERxy(Mlist.mPANEL,x,y)        jsLAYERxy(Mlist.mSELECT,x,y+(Mlist.EntryNum*(menuCharHeight+1)));        }function menuPOPDN(treeList)    // closes a list of menus        {        if(menuTimeOut)clearTimeout(menuTimeOut);        if(menuPOPDN.arguments.length<1)treeList=menuCurrentPath;        while(treeList.length>1)             {                       killboy =treeList.substring(1);             killboy =killboy.substring(0,killboy.indexOf(":"));             treeList=treeList.substring(killboy.length+1);             menuHIDE(killboy);             }        if(menuPOPDN.arguments.length<1)menuCurrentPath="";        };/*** MAIN MENU OBJECT*/var mSELECT=null;function MenuList(Mlist)        {        this.mPANEL=null;this.mSELECT=null;        this.Items=new Array();this.EntryNum=0;        this.APPEND=MenuListAPPEND;        this.greatestCharWidth=0;        }/*      Function        :MSIEmeasure**      Since I have found no straight forward method of obtaining IE x,y**      coords for the clicked link, this function recurses up the object tree**      to measure the screen location of the <A> involved*/function MSIEmeasure(btobj,HB)        {        var tobj=btobj;        HB.MX=tobj.offsetLeft;        HB.MY=tobj.offsetTop;        while(tobj.parentElement)          {          if(!tobj.parentElement)break;          tobj = tobj.parentElement;//        if(tobj.tagName=="TABLE")          if(String(":TABLE:TD:DIV:").indexOf(":"+tobj.tagName+":")>-1)            {            HB.MX+=tobj.offsetLeft;            HB.MY+=tobj.offsetTop;            }          if(!tobj.parentElement)break;          if(tobj.parentElement.tagName=="BODY")break;          }        return ;        }/****************************************** A message window                     ******************************************/var StatusMsgWin=null;function jsMESSAGEclass(group,entry,x,y,w,h)        {        this.lyrName            =group+entry;        if(!document.all[this.lyrName])jsLAYERcreateLayer(this,x,y,w,h,"#FFFFCC");        jsLAYERsetHandler(this,"jsNULLvector");        jsLAYERshow(this,true);        this.jsLAYERobject.GROUP=group;this.jsLAYERobject.ENTRY=entry;        }/*** Set the contents of the message window;*/function jsStatusMsg(txtMESSAGE)        {        if(!StatusMsgWin)          {          StatusMsgWin= new jsMESSAGEclass("E",1,1,1,355,100);          jsLAYERshow(StatusMsgWin,true);          }        jsLAYERsetContent(StatusMsgWin,txtMESSAGE);        }var LIBLOADEDJSmenu=true;//systemLibCnt++;         
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leftMargin=0 topMargin=0 rightMargin=0 marginheight="0" marginwidth="0"><FONT 
face=verdana,georgia,arial,sans-serif size=2>
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      src="Embedded_com - Introduction to UML statecharts.files/blend_top.gif" 
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    <TD vAlign=bottom align=right width=91 bgColor=#666699 height=50><A 
      href="http://www.eetnetwork.com/"><IMG height=50 hspace=0 
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