function viewmenu1(){
		 document.all.p1.style.display="block";
		 document.all.p2.style.display="none";		 
		 document.all.p3.style.display="none";
	}
	
	function viewmenu2(){
		 document.all.p1.style.display="none";
		 document.all.p2.style.display="block";		 
		 document.all.p3.style.display="none";
	}

	function viewmenu3(){
		 document.all.p1.style.display="none";
		 document.all.p2.style.display="none";		 
		 document.all.p3.style.display="block";
	}