/* -------- nav scripts ----------- modified 17 April 2008  ------------ */
// global nav table background colours
var N=new Array();
N[0]={bgH:null,bgS:null} // no zero cell
N[1]={bgH:"#FF0",bgS:"#00B4A9"};
N[2]={bgH:"#FF0",bgS:"#A755FE"};
N[3]={bgH:"#FF0",bgS:"#FB0302"};
N[4]={bgH:"#FF0",bgS:"#72FD04"};
//
// toggle nav cells Home Page
 function chng(obj,numbr,indx)
  { var state=(numbr==1)?"bgH" : "bgS";    // hover or static
    obj.style.backgroundColor=N[indx][state];
   }
// ----------    
// toggle border on images Home Page
 function tgL(obj,num)
  { var pnt=(num==1)?"2px solid #FF0" : "2px solid #FFF";    // hover or static
    obj.style.border=pnt;
  }
// -------------------------------------------
 //toggle drop-down panel cells other pages
 function swp(num,obj)
 { // ddS static, ddH hover colours
   var ddS={bg:"#C4CED1", fg:"#000"};
   var ddH={bg:"#AEB2CE", fg:"#FFF"};
 //
   var bkg=(num==2)?ddH.bg:ddS.bg;                               
   var fnt=(num==2)?ddH.fg : ddS.fg;
   obj.style.backgroundColor=bkg;
   obj.style.color=fnt;
 }
// -------------
// lowers cover on Home page load to allow mouseovers 
 function uncvr(){ document.getElementById("cvr").style.zIndex=1; }
// -------