/* III DOM MODELS -ANDREAS BESTER
 1.The World Wide Web Consortium standard model.
    Netscape 6 (Mozilla),
    Internet Explorer 5  (MAC),
    Internet Explorer 5.X(PC),
    Opera
	All browsers implement or purport to implement WWC DOM. 
 2.The Internet Explorer model. 4.X (PC & MAC)
 3.The Netscape Navigator model. NS 4.0X (PC), 4.X(PC)
								   NS 4.X (MAC)	  
 0. Others 	
 [Andreas Bester 1/5/01]
 [Andreas 1/1/06 support for ns 4.x dropped :-)]
*/
function browserdetect(){ 
 var agt=navigator.userAgent.toLowerCase();
 var ver=navigator.appVersion.toLowerCase();
 this.wwc=(document.getElementById?1:(document.all?2:(document.layers?3:0))); 
 this.ismac=(ver.indexOf("mac") != -1 );
 this.ns6=(document.getElementById && (parseInt(ver) >= 5) ); 
 this.ie=(agt.indexOf("msie") !=-1);
 }

browser = new browserdetect();

function rollover(imgref,srcref) {
 if (browser.wwc == 2){ if(this.document.images[imgref]) {document.images[imgref].src = srcref;}}
 else if (this.document.getElementById(imgref)){ document.getElementById(imgref).src = srcref; }
}

function openwin(url,winname,width,height,scroll){
 var top=(screen.height-height)/2;
 var left=(screen.width-width)/2;
 var winprop ="toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars="+scroll+",resizable=no,copyhistory=yes,width="+width +",height="+ height+",top=" + top + ",left=" + left;
 var awindow;       
 awindow=window.open(url,winname,winprop);
 awindow.focus();
 if (!awindow.opener) awindow.opener = self;
}





function popup(url){
 var top=100;
 var left=100;
 var scroll="yes"
 var width="790";
 var height="500";
 
 var winprop ="toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars="+scroll+",resizable=no,copyhistory=yes,width="+width +",height="+ height+",top=" + top + ",left=" + left;
 var awindow;       
 awindow=window.open(url,"popup",winprop);
 awindow.focus();
 if (!awindow.opener) awindow.opener = self;

 return false;	
}


/* Adding hover on li elements */
function addhover(){

startList = function() {
 navRoot = document.getElementById("nav");
 for (i=0; i<navRoot.childNodes.length; i++) {
  node = navRoot.childNodes[i];
  if (node.nodeName=="LI") {
   node.onmouseover=function() {this.className+=" active";}
   node.onmouseout=function() {this.className=this.className.replace(" active", "");}
  }//if
 }// for
}//function

window.onload=startList;

}//addhover

if (browser.ie && !browser.ismac) addhover();