// provides the list of page names which the JS compares in order to decided which page the user is on
var url_A = new Array ("welcome");
var url_B = new Array ("news");
var url_C = new Array ("directory");
var url_L = new Array ("research");
var url_D = new Array ("undergrad","undergrad_math","undergrad_comp","undergrad_bus","undergrad_fin","undergrad_summer");
var url_E = new Array ("grad");
var url_G = new Array ("extra");
var url_I = new Array ("resources","res_tech","res_msdna");
var url_F = new Array ("cmse");
var url_H = new Array ("hss");
var url_K = new Array ("external");
var url_J = new Array ("contact");


// determines the parent link names in the menu
var text_A = new Array ("Welcome");
var text_B = new Array ("News and Events");
var text_C = new Array ("Department Directory");
var text_L = new Array ("Faculty Research");
var text_D = new Array ("Undergraduate Studies","Mathematics","Computing Science","Computing Science and Business Administration","Scholarships & Financial","Summer Research");
var text_E = new Array ("Graduate Studies");
var text_G = new Array ("Extracurricular Activities");
var text_I = new Array ("Academic Resources","Technical Reports","MSDNA");
var text_F = new Array ("For Teachers");
var text_H = new Array ("For High School Students");
var text_K = new Array ("External Links");
var text_J = new Array ("Contact Us");


// determines the flyout status of the submenus

// gets the full path for use later 
var thisPage=String((document.location.href));

// takes the above variable and strips out the extraneous path components and 
// makes a name for the page, eg 'www.smu.ca/academic/welcome.html' becomes just 'welcome'
var loc= String((thisPage));
loc=loc.split("/");
loc=loc[loc.length-1].split(".");
loc=loc[loc.length-2];

// A URL not displaying an HTML file, eg 'www.smu.ca/academic/' returns a 'null' value to this script.
// This forces a 'null' value to assume the value of 'welcome' to display the root menu.
if (loc == null)   loc = "welcome.html";

if(typeof(loc)=="undefined"){ 

loc="welcome.html"; 

}


// (uncomment the line below for testing and troubleshooting)
// document.write (loc)


function ShowHideLayer(boxID) {
	/* Obtain reference for the selected boxID layer and its button */
	var box = document.getElementById("submenu"+boxID);
	/* find the submenu with currently open page */
	var curloc = 0;
		 if (loc==url_C[1] || loc==url_C[2]){
		curloc = 10;		
	}
	else if (loc==url_D[1] || loc==url_D[2] || loc==url_D[3] || loc==url_D[4] || loc==url_D[5]){
		curloc = 20;		
		}
	else if (loc==url_I[1] || loc==url_I[2] || loc==url_I[3]){
		curloc = 30;		
	}
	/* If the selected box is currently invisible, show it */
	if(box.style.display == "none" || box.style.display=="") {
		box.style.display = "block";
	}
}


var menubegin = ('<ul class="menu"><li class="menu"><a class="menu')
var menumid1 = ('" href="')
var menumid2 = ('.html">')
var menuend = ('</a></li></ul>')

var menu2begin = ('<li class="menu2"><a href="')
var menu2mid = ('.html" class="menu2')
var menu2liend = ('</a> &#8226;</li>')

// this function takes the value of loc 
// and compares it to all the contents of the arrays until it finds a match.

function sectionDetect()
{
for(var i=0; i<20; i++)
{



// A
document.write( "<br><br><br>" );
document.write( menubegin ); switch (loc) { case url_A[i]: document.write('thispage'); break } document.write( menumid1 + url_A[0] + menumid2 + text_A[0] + menuend );

// B
document.write( menubegin ); switch (loc) { case url_B[i]: document.write('thispage'); break } document.write( menumid1 + url_B[0] + menumid2 + text_B[0] + menuend );


// C
document.write( menubegin ); switch (loc) { case url_C[i]: document.write('thispage'); break } document.write( menumid1 + url_C[0] + menumid2 + text_C[0] + menuend );

// L
document.write( menubegin ); switch (loc) { case url_L[i]: document.write('thispage'); break } document.write( menumid1 + url_L[0] + menumid2 + text_L[0] + menuend );


// D
document.write('<ul class="menu"><li class="menu"><div id="20"><a href="' + url_D[0] + '.html" class="menu');
switch (loc) { case url_D[i]: document.write('thispage'); break } document.write('">' +text_D[0]+ '</a></li>');
if(loc==url_D[0] || loc==url_D[1] || loc==url_D[2] || loc==url_D[3] || loc==url_D[4] || loc==url_D[5]){ document.write('<div id="submenu10"><ul class="menu2">'); } else { document.write('<div id="submenu10" style="display: none;"><ul class="menu2">'); }
if(loc==url_D[1]){ document.write( menu2begin + url_D[1] + menu2mid + 'thispage">' + text_D[1] + menu2liend ); } else { document.write( menu2begin + url_D[1] + menu2mid + '">' + text_D[1] + menu2liend ); }
if(loc==url_D[2]){ document.write( menu2begin + url_D[2] + menu2mid + 'thispage">' + text_D[2] + menu2liend ); } else { document.write( menu2begin + url_D[2] + menu2mid + '">' + text_D[2] + menu2liend ); }
if(loc==url_D[3]){ document.write( menu2begin + url_D[3] + menu2mid + 'thispage">' + text_D[3] + menu2liend ); } else { document.write( menu2begin + url_D[3] + menu2mid + '">' + text_D[3] + menu2liend ); }
if(loc==url_D[4]){ document.write( menu2begin + url_D[4] + menu2mid + 'thispage">' + text_D[4] + menu2liend ); } else { document.write( menu2begin + url_D[4] + menu2mid + '">' + text_D[4] + menu2liend ); }
if(loc==url_D[5]){ document.write( menu2begin + url_D[5] + menu2mid + 'thispage">' + text_D[5] + menu2liend ); } else { document.write( menu2begin + url_D[5] + menu2mid + '">' + text_D[5] + menu2liend ); }
document.write('</ul></div></ul>');

// E
document.write( menubegin ); switch (loc) { case url_E[i]: document.write('thispage'); break } document.write( menumid1 + url_E[0] + menumid2 + text_E[0] + menuend );

// G
document.write( menubegin ); switch (loc) { case url_G[i]: document.write('thispage'); break } document.write( menumid1 + url_G[0] + menumid2 + text_G[0] + menuend );

// I
document.write('<ul class="menu"><li class="menu"><div id="10"><a href="' + url_I[0] + '.html" class="menu');
switch (loc) { case url_I[i]: document.write('thispage'); break } document.write('">' +text_I[0]+ '</a></li>');
if(loc==url_I[0] || loc==url_I[1] || loc==url_I[2] || loc==url_I[3]){ document.write('<div id="submenu10"><ul class="menu2">'); } else { document.write('<div id="submenu10" style="display: none;"><ul class="menu2">'); }
if(loc==url_I[1]){ document.write( menu2begin + url_I[1] + menu2mid + 'thispage">' + text_I[1] + menu2liend ); } else { document.write( menu2begin + url_I[1] + menu2mid + '">' + text_I[1] + menu2liend ); }
if(loc==url_I[2]){ document.write( menu2begin + url_I[2] + menu2mid + 'thispage">' + text_I[2] + menu2liend ); } else { document.write( menu2begin + url_I[2] + menu2mid + '">' + text_I[2] + menu2liend ); }
document.write('</ul></div></ul>');

// F
document.write( menubegin ); switch (loc) { case url_F[i]: document.write('thispage'); break } document.write( menumid1 + url_F[0] + menumid2 + text_F[0] + menuend );

// H
document.write( menubegin ); switch (loc) { case url_H[i]: document.write('thispage'); break } document.write( menumid1 + url_H[0] + menumid2 + text_H[0] + menuend );

// K
document.write( "<br>" );
document.write( menubegin ); switch (loc) { case url_K[i]: document.write('thispage'); break } document.write( menumid1 + url_K[0] + menumid2 + text_K[0] + menuend );


// J
document.write( "<br>" );
document.write( menubegin ); switch (loc) { case url_J[i]: document.write('thispage'); break } document.write( menumid1 + url_J[0] + menumid2 + text_J[0] + menuend );


break
}
}

sectionDetect ();
 
// UNCOMMENT the lines below if the site uses a RELATED LINKS table. 

document.write('<P><table width="100%" border="0" cellspacing="0" cellpadding="3" align="center" class="border"><tr><td valign="top" class="lightgrey border">Related Links</td></tr>')
document.write('<tr><td valign="top" class="borderbottomleftright">')
document.write('<a href="http://www.smu.ca/academic/science/department/welcome.html">Faculty of Science</a><br><a href="http://www.smu.ca/registrar/calendar.html">Academic Calendar</a><br><a href="http://www.smu.ca/administration/coop/">Co-operative Education</a><br>')
document.write('</td></tr></table>')