function showSection(sectionID) {

	switch(sectionID){
		case 0:
		        if (document.getElementById("section1") != null) document.getElementById("section1").style.display="block";
				if (document.getElementById("section2") != null) document.getElementById("section2").style.display="none";
				if (document.getElementById("section3") != null) document.getElementById("section3").style.display="none";
				if (document.getElementById("section4") != null) document.getElementById("section4").style.display="none";
				if (document.getElementById("section5") != null) document.getElementById("section5").style.display="none";
				if (document.getElementById("section6") != null) document.getElementById("section6").style.display="none";
				if (document.getElementById("section7") != null) document.getElementById("section7").style.display="none";
				if (document.getElementById("section8") != null) document.getElementById("section8").style.display="none";
				break;
		case 1:
				if (document.getElementById("section1") != null) document.getElementById("section1").style.display="none";
				if (document.getElementById("section2") != null) document.getElementById("section2").style.display="block";
				if (document.getElementById("section3") != null) document.getElementById("section3").style.display="none";
				if (document.getElementById("section4") != null) document.getElementById("section4").style.display="none";
				if (document.getElementById("section5") != null) document.getElementById("section5").style.display="none";
				if (document.getElementById("section6") != null) document.getElementById("section6").style.display="none";
				if (document.getElementById("section7") != null) document.getElementById("section7").style.display="none";
				if (document.getElementById("section8") != null) document.getElementById("section8").style.display="none";
				break;
		case 2:
				if (document.getElementById("section1") != null) document.getElementById("section1").style.display="none";
				if (document.getElementById("section2") != null) document.getElementById("section2").style.display="none";
				if (document.getElementById("section3") != null) document.getElementById("section3").style.display="block";
				if (document.getElementById("section4") != null) document.getElementById("section4").style.display="none";
				if (document.getElementById("section5") != null) document.getElementById("section5").style.display="none";
				if (document.getElementById("section6") != null) document.getElementById("section6").style.display="none";
				if (document.getElementById("section7") != null) document.getElementById("section7").style.display="none";
				if (document.getElementById("section8") != null) document.getElementById("section8").style.display="none";
				break;
		case 3:
				if (document.getElementById("section1") != null) document.getElementById("section1").style.display="none";
				if (document.getElementById("section2") != null) document.getElementById("section2").style.display="none";
				if (document.getElementById("section3") != null) document.getElementById("section3").style.display="none";
				if (document.getElementById("section4") != null) document.getElementById("section4").style.display="block";
				if (document.getElementById("section5") != null) document.getElementById("section5").style.display="none";
				if (document.getElementById("section6") != null) document.getElementById("section6").style.display="none";
				if (document.getElementById("section7") != null) document.getElementById("section7").style.display="none";
				if (document.getElementById("section8") != null) document.getElementById("section8").style.display="none";
				break;
		case 4:
				if (document.getElementById("section1") != null) document.getElementById("section1").style.display="none";
				if (document.getElementById("section2") != null) document.getElementById("section2").style.display="none";
				if (document.getElementById("section3") != null) document.getElementById("section3").style.display="none";
				if (document.getElementById("section4") != null) document.getElementById("section4").style.display="none";
				if (document.getElementById("section5") != null) document.getElementById("section5").style.display="block";
				if (document.getElementById("section6") != null) document.getElementById("section6").style.display="none";
				if (document.getElementById("section7") != null) document.getElementById("section7").style.display="none";
				if (document.getElementById("section8") != null) document.getElementById("section8").style.display="none";
				break;
		case 5:
				if (document.getElementById("section1") != null) document.getElementById("section1").style.display="none";
				if (document.getElementById("section2") != null) document.getElementById("section2").style.display="none";
				if (document.getElementById("section3") != null) document.getElementById("section3").style.display="none";
				if (document.getElementById("section4") != null) document.getElementById("section4").style.display="none";
				if (document.getElementById("section5") != null) document.getElementById("section5").style.display="none";
				if (document.getElementById("section6") != null) document.getElementById("section6").style.display="block";
				if (document.getElementById("section7") != null) document.getElementById("section7").style.display="none";
				if (document.getElementById("section8") != null) document.getElementById("section8").style.display="none";
				break;
		case 6:
				if (document.getElementById("section1") != null) document.getElementById("section1").style.display="none";
				if (document.getElementById("section2") != null) document.getElementById("section2").style.display="none";
				if (document.getElementById("section3") != null) document.getElementById("section3").style.display="none";
				if (document.getElementById("section4") != null) document.getElementById("section4").style.display="none";
				if (document.getElementById("section5") != null) document.getElementById("section5").style.display="none";
				if (document.getElementById("section6") != null) document.getElementById("section6").style.display="none";
				if (document.getElementById("section7") != null) document.getElementById("section7").style.display="block";
				if (document.getElementById("section8") != null) document.getElementById("section8").style.display="none";
				break;
		case 7:
				if (document.getElementById("section1") != null) document.getElementById("section1").style.display="none";
				if (document.getElementById("section2") != null) document.getElementById("section2").style.display="none";
				if (document.getElementById("section3") != null) document.getElementById("section3").style.display="none";
				if (document.getElementById("section4") != null) document.getElementById("section4").style.display="none";
				if (document.getElementById("section5") != null) document.getElementById("section5").style.display="none";
				if (document.getElementById("section6") != null) document.getElementById("section6").style.display="none";
				if (document.getElementById("section7") != null) document.getElementById("section7").style.display="none";
				if (document.getElementById("section8") != null) document.getElementById("section8").style.display="block";
				break;
	}
}