function Gosterge(it,he,she){
			document.getElementById(it).style.display = "block";
			document.getElementById(he).style.display = "none";
			document.getElementById(she).style.display = "none";
	}
	function Gosterge2(divId) {
		var divArray = document.getElementsByTagName("div");
		for(i = 0; i < divArray.length; i++){
			if(divArray[i].id == divId){
				if(divArray[i].style.display != 'none'){
					divArray[i].style.display = 'none';
				}else{
					divArray[i].style.display = '';
				}
			}
		}
	}