var dialogWin;

function open_window(page,win_id,w,h,scrol,resiz){
	LeftPosition=(screen.width-w)/2;
	TopPosition=(screen.height-h)/2;
	dialogWin=open(page,win_id,"scrollbars="+scrol+",menubar=no,statusbar=no,resize="+resiz+",top="+TopPosition+",left="+LeftPosition+",width="+w+",height="+h);
	dialogWin.focus();
}

function getQueryVariable(variable) {
  var query = window.location.search.substring(1);
  var vars = query.split("&");
  for (var i=0;i<vars.length;i++) {
    var pair = vars[i].split("=");
    if (pair[0] == variable) {
      return pair[1];
    }
  }
  return null;
}

	function activate(w){
		try{
			if (this.className!="selected"){
				window.status=this.id;
				this.className="activated"; }
		}catch(e){}
	}

	function deactivate(w){
		try{
			if (this.className!="selected"){
				this.className="deactivated"; }
		}catch(e){}
	}