function MenuOn(x){
			ERNUM="submenu"+x
			obj=document.getElementById(ERNUM).className='subnavi_on'
			}
			function MenuOff(x){
			ERNUM="submenu"+x
			var obj=document.getElementById(ERNUM).className='subnavi'
			}
			function sideOn(x){
			ERNUM="index"+x
			obj=document.getElementById(ERNUM).className='sub1_sel'
			}
			function sideOff(x){
			ERNUM="index"+x
			obj=document.getElementById(ERNUM).className='sub1'
			}
			
			function side2On(x){
			ERNUM="subindex"+x
			obj=document.getElementById(ERNUM).className='sub2_sel'
			}
			function side2Off(x){
			ERNUM="subindex"+x
			obj=document.getElementById(ERNUM).className='sub2'
			}
			
			function glinkOn(){
			ERNUM="glink_g"
			obj=document.getElementById(ERNUM).className='jump_on'
			}
			function glinkOff(){
			ERNUM="glink_g"
			obj=document.getElementById(ERNUM).className='jump'
			}
			
			function setButtonS(){
			document.buttons.src="img/small_o.gif"
			document.buttonm.src="img/middle.gif"
			document.buttonl.src="img/large.gif"
			}
			function setButtonM(){
			document.buttons.src="img/small.gif"
			document.buttonm.src="img/middle_o.gif"
			document.buttonl.src="img/large.gif"
			}
			function setButtonL(){
			document.buttons.src="img/small.gif"
			document.buttonm.src="img/middle.gif"
			document.buttonl.src="img/large_o.gif"
			}