function shdiv(x,dn) {
	NS4 = (document.layers) ? 1:0;
	IE4 = (document.all) ? 1:0;

	divno=dn;

	if (IE4==1) {
		for (i=1; i<=divno; i++) {
			dv="div" + i;
			prop = document.all[dv].style.visibility;
			if (prop=="visible") { 
				document.all[dv].style.visibility="hidden";
			};
		};

		propx = document.all[x].style.visibility;
		if (propx=="hidden") { 
			document.all[x].style.visibility="visible"
		};
		
	}
	else if (NS4==1){
		for (i=1; i<=divno; i++) {
			dv="div" + i;
			prop = document.layers[dv].visibility;
			if (prop=="show") { 
				document.layers[dv].visibility="hide";
			};
		};

		propx = document.layers[x].visibility;
		if (propx=="hide") { 
			document.layers[x].visibility="show";
		};

		
	}
};


function hideall(dn) {
	NS4 = (document.layers) ? 1:0;
	IE4 = (document.all) ? 1:0;

	divno=dn;

	if (IE4==1) {
		for (i=1; i<=divno; i++) {
			dv="div" + i;
			prop = document.all[dv].style.visibility;
			if (prop=="visible") { 
				document.all[dv].style.visibility="hidden";
			};
		};

	
	}
	else if (NS4==1){
		for (i=1; i<=divno; i++) {
			dv="div" + i;
			prop = document.layers[dv].visibility;
			if (prop=="show") { 
				document.layers[dv].visibility="hide";
			};
		};

	
	};
	shideall(1)
};


function shideall(dn) {
	NS4 = (document.layers) ? 1:0;
	IE4 = (document.all) ? 1:0;

	divno=dn;

	if (IE4==1) {
		for (i=10; i<=divno; i++) {
			dv="div2" + i;
			prop = document.all[dv].style.visibility;
			if (prop=="visible") { 
				document.all[dv].style.visibility="hidden";
			};
		};

	
	}
	else if (NS4==1){
		for (i=10; i<=divno; i++) {
			dv="div2" + i;
			prop = document.layers[dv].visibility;
			if (prop=="show") { 
				document.layers[dv].visibility="hide";
			};
		};

	
	}
};