function menu(x) {
        document.getElementById('content').style.display = "none";
        document.getElementById('content2').style.display = "none";
        document.getElementById('content3').style.display = "none";
        document.getElementById('content4').style.display = "none";
		document.getElementById('content5').style.display = "none";
		document.getElementById('content6').style.display = "none";
		document.getElementById('content7').style.display = "none";
		document.getElementById('content8').style.display = "none";
		document.getElementById('content10').style.display = "none";
		document.getElementById('content11').style.display = "none";
		document.getElementById('content12').style.display = "none";

        document.getElementById('li1').className = "aa";
        document.getElementById('li2').className = "bb";
        document.getElementById('li3').className = "cc";
        document.getElementById('li4').className = "dd";
        document.getElementById('li5').className = "ee";
        document.getElementById('li6').className = "ff";
        document.getElementById('li7').className = "zz";
        document.getElementById('li8').className = "xx";
		
    	document.getElementById('first').className = "imglinks1"
		document.getElementById('second').className = "imglinks2"
		document.getElementById('third').className = "imglinks3"
		
    if(x==1) {
        document.getElementById('content').style.display = "block";
        document.getElementById('li1').className = "aa1";
    }
	if(x==2) {
        document.getElementById('content2').style.display = "block";
        document.getElementById('li2').className = "bb2";
    }
	if(x==3) {
       document.getElementById('content3').style.display = "block";
     document.getElementById('li3').className = "cc3";
    }
	if(x==4) {

        document.getElementById('content4').style.display = "block";
        document.getElementById('li4').className = "dd4";
    }
	if(x==5) {

		document.getElementById('content5').style.display = "block";
        document.getElementById('li5').className = "ee5";
    }
	if(x==6) {

		document.getElementById('content6').style.display = "block";
        document.getElementById('li6').className = "ff6";
    }
	if(x==7) {

		document.getElementById('content7').style.display = "block";
        document.getElementById('li7').className = "zz7";

    }
	if(x==8) {

		document.getElementById('content8').style.display = "block";
        document.getElementById('li8').className = "xx8";

    }
		if(x==10) {
		document.getElementById('content10').style.display = "block";
		document.getElementById('first').className = "imglinks21"

    }
		if(x==11) {

		document.getElementById('content11').style.display = "block";
		document.getElementById('second').className = "imglinks22"

    }
		if(x==12) {

		document.getElementById('content12').style.display = "block";
		document.getElementById('third').className = "imglinks23"

    }
}
function hover(y)
	{	
		if(y==1) {
			document.getElementById('input').className = "explore2";
		}
		if(y==2) {
        	document.getElementById('input').className = "explore";
		}
	}