function mmover(a){	
	if(isok()){		// client detection
		tempoverb=a.style.backgroundColor; 
		a.style.backgroundColor="eeeebb";
	}
}

function mmout(a){
	if(isok()){		// client detection
		a.style.backgroundColor=tempoverb;
	}
}

function isok(){
	// this function is important in order to prevent an OBJECT which does not exist from being called.
	if((navigator.appName.indexOf("xplorer")!=-1)&&(navigator.appVersion.charAt(0)>3)) return 1;
}