function menu(){ 
 if(navigator.appVersion.indexOf("MSIE")==-1){return;}
 var i,k,g,lg,r=/\s*hvr/,nn='',c,cs='hvr',bv='menubar';
 for(i=0;i<10;i++){	
	 g=document.getElementById(bv+nn);
	 if(g){
		 	lg=g.getElementsByTagName("LI");
				if(lg){
					for(k=0;k<lg.length;k++){
						lg[k].onmouseover=function(){c=this.className;cl=(c)?c+' '+cs:cs;
							this.className=cl;};lg[k].onmouseout=function(){c=this.className;
 							this.className=(c)?c.replace(r,''):'';};}}}nn=i+1;}
}

if (document.images) {
	
	 about_off = new Image
     about_on = new Image
     about_off.src = '../im/about_offv.gif'
     about_on.src = '../im/about_onv.gif'
	 
     plan_off = new Image
     plan_on = new Image
     plan_off.src = '../im/plan_offv.gif'
     plan_on.src = '../im/plan_onv.gif'
	 
	 partner_off = new Image
     partner_on = new Image
     partner_off.src = '../im/partner_offv.gif'
     partner_on.src = '../im/partner_onv.gif'
	 
	 busdev_off = new Image
     busdev_on = new Image
     busdev_off.src = '../im/busdev_offv.gif'
     busdev_on.src = '../im/busdev_onv.gif'
	 }