var texton = false;
 var tocSignOn = false;
	
	function showTextA() {
		if (texton) {
			TopicA.style.display = 'none';
			texton = false;
		} else {
			TopicA.style.display = '';
			texton = true;
		}
		if (tocSignOn){
			tocSignA.src="images/plus.gif";
			tocSignOn = false;
		} else {
			tocSignA.src="images/minus.gif";
			tocSignOn = true;
		}
}

	function showTextB() {
		if (texton) {
			TopicB.style.display = 'none';
			texton = false;
		} else {
			TopicB.style.display = '';
			texton = true;
		}
		if (tocSignOn){
			tocSignB.src="images/plus.gif";
			tocSignOn = false;
		} else {
			tocSignB.src="images/minus.gif";
			tocSignOn = true;
		}

}
	function showTextC() {
		if (texton) {
			TopicC.style.display = 'none';
			texton = false;
		} else {
			TopicC.style.display = '';
			texton = true;
		}
		if (tocSignOn){
			tocSignC.src="images/plus.gif";
			tocSignOn = false;
		} else {
			tocSignC.src="images/minus.gif";
			tocSignOn = true;
		}

}
	function showTextD() {
		if (texton) {
			TopicD.style.display = 'none';
			texton = false;
		} else {
			TopicD.style.display = '';
			texton = true;
		}
		if (tocSignOn){
			tocSignD.src="images/plus.gif";
			tocSignOn = false;
		} else {
			tocSignD.src="images/minus.gif";
			tocSignOn = true;
		}

}
	function showTextE() {
		if (texton) {
			TopicE.style.display = 'none';
			texton = false;
		} else {
			TopicE.style.display = '';
			texton = true;
		}
		if (tocSignOn){
			tocSignE.src="images/plus.gif";
			tocSignOn = false;
		} else {
			tocSignE.src="images/minus.gif";
			tocSignOn = true;
		}

}
 	function showTextF() {
		if (texton) {
			TopicF.style.display = 'none';
			texton = false;
		} else {
			TopicF.style.display = '';
			texton = true;
		}
		if (tocSignOn){
			tocSignF.src="images/plus.gif";
			tocSignOn = false;
		} else {
			tocSignF.src="images/minus.gif";
			tocSignOn = true;
		}

}

 	function showTextG() {
		if (texton) {
			TopicG.style.display = 'none';
			texton = false;
		} else {
			TopicG.style.display = '';
			texton = true;
		}
		if (tocSignOn){
			tocSignG.src="images/plus.gif";
			tocSignOn = false;
		} else {
			tocSignG.src="images/minus.gif";
			tocSignOn = true;
		}

}

 	function showTextH() {
		if (texton) {
			TopicH.style.display = 'none';
			texton = false;
		} else {
			TopicH.style.display = '';
			texton = true;
		}
		if (tocSignOn){
			tocSignH.src="images/plus.gif";
			tocSignOn = false;
		} else {
			tocSignH.src="images/minus.gif";
			tocSignOn = true;
		}

}

 	function showTextI() {
		if (texton) {
			TopicI.style.display = 'none';
			texton = false;
		} else {
			TopicI.style.display = '';
			texton = true;
		}
		if (tocSignOn){
			tocSignI.src="images/plus.gif";
			tocSignOn = false;
		} else {
			tocSignI.src="images/minus.gif";
			tocSignOn = true;
		}

}

 	function showTextJ() {
		if (texton) {
			TopicJ.style.display = 'none';
			texton = false;
		} else {
			TopicJ.style.display = '';
			texton = true;
		}
		if (tocSignOn){
			tocSignJ.src="images/plus.gif";
			tocSignOn = false;
		} else {
			tocSignJ.src="images/minus.gif";
			tocSignOn = true;
		}

}