function expandCollapse() {
		for (var i=0; i<expandCollapse.arguments.length; i++) {
		var element = document.getElementById(expandCollapse.arguments[i]);
		element.style.display = (element.style.display == "none") ? "block" : "none";
        }
        }


 function openW(mypage,myname,w,h,features) {
 if(screen.width){
 var winl = (screen.width-w)/2;
 var wint = (screen.height-h)/2;
 }else{winl = 0;wint =0;}
 if (winl < 0) winl = 0;
 if (wint < 0) wint = 0;
 var settings = 'height=' + h + ',';
 settings += 'width=' + w + ',';
 settings += 'top=' + wint + ',';
 settings += 'left=' + winl + ',';
 settings += features;
 win = window.open(mypage,myname,settings);
 win.window.focus();
 }