// JavaScript Document
var numberOfIdsA = 100;
var idsA = new Array(numberOfIdsA); 

for (var i=0;i<numberOfIdsA;i++) {
	idsA[i] = 'a' + (i+1);
}
function showOrHideElement(id) {
	if (document.getElementById(id).style.display == 'block') {
		hideOne(id);
	} else if (document.getElementById(id).style.display == 'none') {
		showOne(id);
	}
}

function showOne(id) {
	document.getElementById(id).style.display= 'block';
}

function hideOne(id) {
	document.getElementById(id).style.display= 'none';
}

function showAll_a() {
	// show all elements in the page
	for (var i=0;i<idsA.length;i++) {
		showOne(idsA[i]);
	}	
}


function hideAll_a() {
	// hide all elements in page
	for (var i=0;i<idsA.length;i++) {
		hideOne(idsA[i]);
	}		
}

//<--------------------------------Open b ids-------------------------------->//
var numberOfIdsB = 100;
var idsB = new Array(numberOfIdsB); 

for (var i=0;i<numberOfIdsB;i++) {
	idsB[i] = 'b' + (i+1);
}

function showAll_b() {
	// show all elements in the page
	for (var i=0;i<idsB.length;i++) {
		showOne(idsB[i]);
	}	
}


function hideAll_b() {
	// hide all elements in page
	for (var i=0;i<idsB.length;i++) {
		hideOne(idsB[i]);
	}		
}


//<--------------------------------Open c ids-------------------------------->//
var numberOfIdsC = 100;
var idsC = new Array(numberOfIdsC); 

for (var i=0;i<numberOfIdsC;i++) {
	idsC[i] = 'c' + (i+1);
}

function showAll_c() {
	// show all elements in the page
	for (var i=0;i<idsC.length;i++) {
		showOne(idsC[i]);
	}	
}
function hideAll_c() {
	// hide all elements in page
	for (var i=0;i<idsC.length;i++) {
		hideOne(idsC[i]);
	}		
}


//<--------------------------------Open d ids-------------------------------->//
var numberOfIdsD = 100;
var idsD = new Array(numberOfIdsD); 

for (var i=0;i<numberOfIdsD;i++) {
	idsD[i] = 'd' + (i+1);
}

function showAll_d() {
	// show all elements in the page
	for (var i=0;i<idsD.length;i++) {
		showOne(idsD[i]);
	}	
}

function hideAll_d() {
	// hide all elements in page
	for (var i=0;i<idsD.length;i++) {
		hideOne(idsD[i]);
	}		
}


//<--------------------------------Open e ids-------------------------------->//
var numberOfIdsE = 100;
var idsE = new Array(numberOfIdsE); 

for (var i=0;i<numberOfIdsE;i++) {
	idsE[i] = 'e' + (i+1);
}

function showAll_e() {
	// show all elements in the page
	for (var i=0;i<idsE.length;i++) {
		showOne(idsE[i]);
	}	
}
function hideAll_e() {
	// hide all elements in page
	for (var i=0;i<idsE.length;i++) {
		hideOne(idsE[i]);
	}		
}


//<--------------------------------Open f ids-------------------------------->//
var numberOfIdsF = 100;
var idsF = new Array(numberOfIdsF); 

for (var i=0;i<numberOfIdsF;i++) {
	idsF[i] = 'f' + (i+1);
}

function showAll_f() {
	// show all elements in the page
	for (var i=0;i<idsF.length;i++) {
		showOne(idsF[i]);
	}	
}
function hideAll_f() {
	// hide all elements in page
	for (var i=0;i<idsF.length;i++) {
		hideOne(idsF[i]);
	}		
}