bin ein absoluter anfänger

hier mal die install datei, was muss ich jetzt genau machen??? bis zu der roten stelle is klar, aber dann.....-----[ COPY TO FOLDER ]------------------------------------------
#
COPY phpbb2/templates/menue.js TO templates/menue.js
#
#-----[ OPEN ]------------------------------------------
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templates/subSilver/overall_header.tpl
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#-----[ FIND ]------------------------------------------
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</head>
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#-----[ BEFORE, ADD ]------------------------------------------
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<META http-equiv=Content-Type content="text/html; charset=iso-8859-1">
<SCRIPT language=JavaScript1.2 src="./templates/menue.js"></SCRIPT>
<SCRIPT language=JavaScript1.2>
<!--
YOffset=145;
staticYOffset=51;
slideSpeed=1;
waitTime=100;
menuBGColor="#003D71";
menuIsStatic="no";
menuWidth=230;
hdrFontFamily="Verdana, Arial, Helvetica, sans-serif";
hdrFontSize="1";
hdrFontColor="#000000";
hdrBGColor="#F0F0F0";
hdrAlign="left";
hdrVAlign="center";
hdrHeight="12";
linkFontFamily="Verdana, Arial, Helvetica, sans-serif";
linkFontSize="1";
linkBGColor="#DADADA";
linkOverBGColor="#DADADA";
linkTarget="_self";
linkAlign="left";
barBGColor="#E9E9E9";
barFontFamily="Verdana, Arial, Helvetica, sans-serif";
barFontSize="1";
barFontColor="#000000";
barVAlign="center";
barWidth=12;
startMenu("Navigation", "FOREN - NAVIGATION");
addExItem("Intro", "intro.php");
addExItem("Portal", "portal.php");
addExItem("Index", "{U_INDEX}");
addHdr(" ");
addExItem("{L_LOGIN_LOGOUT}", "{U_LOGIN_LOGOUT}");
addExItem("{L_PROFILE}", "{U_PROFILE}");
addExItem("{PRIVATE_MESSAGE_INFO}", "{U_PRIVATEMSGS}");
addHdr(" ");
addExItem("{L_USERGROUPS}", "{U_USERGROUPS}");
addExItem("{L_SEARCH}", "{U_SEARCH}");
addExItem("{L_MEMBERLIST}", "{U_MEMBERLIST}");
addHdr(" ");
addExItem("{L_FAQ}", "{U_FAQ}");
addExItem("Netiquette", "rules.php");
addExItem("Acronyme", "acronyme.php");
addHdr(" ");
addExItem("VOR", "javascript:history.forward()");
addExItem("ZURUECK", "javascript:history.back()");
endMenu();
function showhelp(helptext,boardid)
{
helpwindow = open("useraction.php3?action=gethelp&BoardID=" + boardid + "&helptext=" + helptext, "Helpfenster", "width=400,height=500,dependent=yes,locationbar=no,menubar=no,status=no,resizable=yes");
helpwindow.document.write(windowtext);
}
//-->
</SCRIPT>
#
#-----[ SAVE/CLOSE ALL FILES ]------------------------------------------
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# EoM
das mit dem reinkopieren ist ja noch klar, aber was dann? ich soll die stelle "head" finden und dann das scribt einfügen. nur wo genau einfügen??