// JavaScript Document
function changebigclasslist(){
	if(document.getElementById("bigclasslist").style.display=="none")
	document.getElementById("bigclasslist").style.display="inline";
	else
	document.getElementById("bigclasslist").style.display="none";
	}
function changebigclasslist1(){
	if(document.getElementById("bigclasslist1").style.display=="none")
	document.getElementById("bigclasslist1").style.display="inline";
	else
	document.getElementById("bigclasslist1").style.display="none";
	}
function changebigclasslist2(){
	if(document.getElementById("bigclasslist2").style.display=="none")
	document.getElementById("bigclasslist2").style.display="inline";
	else
	document.getElementById("bigclasslist2").style.display="none";
	}
function changebigclasslist3(){
	if(document.getElementById("bigclasslist3").style.display=="none")
	document.getElementById("bigclasslist3").style.display="inline";
	else
	document.getElementById("bigclasslist3").style.display="none";
	}
function changebigclasslist4(){
	if(document.getElementById("bigclasslist4").style.display=="none")
	document.getElementById("bigclasslist4").style.display="inline";
	else
	document.getElementById("bigclasslist4").style.display="none";
	}
function changebigclasslist5(){
	if(document.getElementById("bigclasslist5").style.display=="none")
	document.getElementById("bigclasslist5").style.display="inline";
	else
	document.getElementById("bigclasslist5").style.display="none";
	}
function changetab(num){
	for(i=1;i<=7;i++)
	{
		document.getElementById("pcontent"+i).style.display="none";
		}
		document.getElementById("pcontent"+num).style.display="inline";
	for(j=1;j<=7;j++)
	{
		document.getElementById("tab"+j).className="unaction";
		}
		document.getElementById("tab"+num).className="action";
	}