// JavaScript Document
 

ns4 = (document.layers) ? true:false 
ie4 = (document.all) ? true:false 
ng5 = (document.getElementById) ? true:false 

function hideSec() { 

	if (ng5) document.getElementById('sec1').style.visibility = "hidden" 
	else if (ns4) document.sec1.visibility = "hide" 
	else if (ie4) sec1.style.visibility ="hidden" 
	
	if (ng5) document.getElementById('sec2').style.visibility = "hidden" 
	else if (ns4) document.sec2.visibility = "hide" 
	else if (ie4) sec2.style.visibility ="hidden" 
	
	if (ng5) document.getElementById('sec3').style.visibility = "hidden" 
	else if (ns4) document.sec3.visibility = "hide" 
	else if (ie4) sec3.style.visibility ="hidden" 
	
	if (ng5) document.getElementById('sec4').style.visibility = "hidden" 
	else if (ns4) document.sec4.visibility = "hide" 
	else if (ie4) sec4.style.visibility ="hidden" 
	
	if (ng5) document.getElementById('sec5').style.visibility = "hidden" 
	else if (ns4) document.sec5.visibility = "hide" 
	else if (ie4) sec5.style.visibility ="hidden" 
	
	if (ng5) document.getElementById('sec6').style.visibility = "hidden" 
	else if (ns4) document.sec6.visibility = "hide" 
	else if (ie4) sec6.style.visibility ="hidden" 
	
	if (ng5) document.getElementById('sec7').style.visibility = "hidden" 
	else if (ns4) document.sec7.visibility = "hide" 
	else if (ie4) sec7.style.visibility ="hidden" 

}

function hideSec() { 
	for (i=1;i<=7;i++){
		if (ng5) document.getElementById('sec' + i).style.visibility = "hidden" 
		else if (ns4) document.sec1.visibility = "hide" 
		else if (ie4) sec1.style.visibility ="hidden" 
	}
	


}  

function showSec(n) { 

	hideSec(); 
	if (ng5) document.getElementById('sec' + n).style.visibility = "visible"; 
	else if (ns4) document.layers["sec" + n].visibility = "show"; 
	else if (ie4) document.all["sec" + n].style.visibility = "visible"; 

}