function showDropmenu(x){
		if(x == 2){	//mouseover on aboutus
			document.getElementById("submenu_10224").style.display = "block";
			document.getElementById("submenu_10226").style.display = "none";
			document.getElementById("submenu_10252").style.display = "none";
		}	
		else if(x==4){	//mouseover on experience
			document.getElementById("submenu_10226").style.display = "block";
			document.getElementById("submenu_10252").style.display = "none";
			
		}
		else if(x==5){	//mouseover on lastest news
			document.getElementById("submenu_10252").style.display = "block";
			document.getElementById("submenu_10226").style.display = "none";
		}
		else{
			document.getElementById("submenu_10224").style.display = "none";
			document.getElementById("submenu_10226").style.display = "none";
			document.getElementById("submenu_10252").style.display = "none";
		}
	}