function main_onclick(name){	
		if(document.getElementById){
			if(document.getElementById(name).style.display=="none"){
				document.getElementById(name).style.display = "block";
			}else if(document.getElementById(name).style.display=="block"){
				document.getElementById(name).style.display = "none";
			}
		}else if(document.layers){
			if(document.layers[name].display=="none"){
				document.layers[name].display = "block";
			}else if(document.layers[name].display=="block"){
				document.layers[name].display = "none";
			}
		}else if(document.all){
			if(document.all(name).style.display=="none"){
				document.all(name).style.display = "block";
			}else if(document.all(name).style.display=="block"){
				document.all(name).style.display = "none";
			}
		}
	
	}
	

	function sub_onclick(name){
	
		if(document.getElementById){
			if(document.getElementById(name).style.display=="none"){
				document.getElementById(name).style.display = "inline";
			}else if(document.getElementById(name).style.display=="inline"){
				document.getElementById(name).style.display = "none";
			}
		}else if(document.layers){
			if(document.layers[name].display=="none"){
				document.layers[name].display = "inline";
			}else if(document.layers[name].display=="inline"){
				document.layers[name].display = "none";
			}
		}else if(document.all){
			if(document.all(name).style.display=="none"){
				document.all(name).style.display = "inline";
			}else if(document.all(name).style.display=="inline"){
				document.all(name).style.display = "none";
			}
		}
	
	}