<!--When toggling the display on only one div-->
function ShowHide(name)
{
	ref = GetReference(name);
	
	if (ref.style.display == 'block')
	{
	ref.style.display = 'none';
	} else {
	ref.style.display = 'block';
	}
}

function GetReference(name)
{
	if(document.getElementById){
	var myReference = document.getElementById(name);
	return myReference;
	}
}

	<!--When flipping only two divs-->
	
	first2SecondReference = GetReference('first2Second');
	second2FirstReference = GetReference('second2First');
	
	
	
	function ShowHidefirst2Second(name)
{
	ref = GetReference(name);
	ref.style.display = 'none'
	
	if (ref.style.display == 'none')
	{
	ref.style.display = 'block';
	javascript:flipFirst2Second();
	} 
}

function ShowHideSecond2First(name)
{
	ref = GetReference(name);
	ref.style.display = 'none'
	
	if (ref.style.display == 'none')
	{
	ref.style.display = 'block';
	javascript:flipSecond2First();
	} 
}

function flipFirst2Second()
{
    if (second2FirstReference.style.display == 'block')
    {
     second2FirstReference.style.display = 'none';
    }	
}

function flipSecond2First()
{
        
    if (first2SecondReference.style.display == 'block')
    {
     first2SecondReference.style.display = 'none';
    }
}
<!--When flipping more than two divs-->

	firstDivReference = GetReference('firstDiv');
    secondDivReference = GetReference('secondDiv');
    thirdDivReference = GetReference('thirdDiv');
	fourthDivReference = GetReference('fourthDiv');
	fifthDivReference = GetReference('fifthDiv');
	sixthDivedReference = GetReference('sixthDiv');
	seventhDivedReference = GetReference('seventhDiv');
	
	function ShowHideFirstDiv(name)
{
	ref = GetReference(name);
	ref.style.display = 'none'
	
	if (ref.style.display == 'none')
	{
	ref.style.display = 'block';
	javascript:flipFirstDiv();
	}
}

function ShowHideSecondDiv(name)
{
	ref = GetReference(name);
	ref.style.display = 'none'
	
	if (ref.style.display == 'none')
	{
	ref.style.display = 'block';
	javascript:flipSecondDiv();
	}
}

function ShowHideThirdDiv(name)
{
	ref = GetReference(name);
	ref.style.display = 'none'
	
	if (ref.style.display == 'none')
	{
	ref.style.display = 'block';
	javascript:flipThirdDiv();
	}
}

function ShowHideFourthDiv(name)
{
	ref = GetReference(name);
	ref.style.display = 'none'
	
	if (ref.style.display == 'none')
	{
	ref.style.display = 'block';
	javascript:flipFourthDiv();
	}
}

function ShowHideFifthDiv(name)
{
	ref = GetReference(name);
	ref.style.display = 'none'
	
	if (ref.style.display == 'none')
	{
	ref.style.display = 'block';
	javascript:flipFifthDiv();
	}
}

function ShowHideSixthDiv(name)
{
	ref = GetReference(name);
	ref.style.display = 'none'
	
	if (ref.style.display == 'none')
	{
	ref.style.display = 'block';
	javascript:flipSixthDiv();
	}
}

function ShowHideSeventhDiv(name)
{
	ref = GetReference(name);
	ref.style.display = 'none'
	
	if (ref.style.display == 'none')
	{
	ref.style.display = 'block';
	javascript:flipSeventhDiv();
	}
}

	
function flipFirstDiv()
{
    
    if (secondDivReference.style.display == 'block')
    {
     secondDivReference.style.display = 'none';
    }
    if (thirdDivReference.style.display == 'block')
    {
     thirdDivReference.style.display = 'none';
    }
    if (fourthDivReference.style.display == 'block')
    {
     fourthDivReference.style.display = 'none';
    }
	if (fifthDivReference.style.display == 'block')
    {
     fifthDivReference.style.display = 'none';
    }
	if (sixthDivedReference.style.display == 'block')
    {
     sixthDivedReference.style.display = 'none';
    }
	if (seventhDivedReference.style.display == 'block')
    {
     seventhDivedReference.style.display = 'none';
    }
	
}

function flipSecondDiv()
{
    
    if (firstDivReference.style.display == 'block')
    {
     firstDivReference.style.display = 'none'
    }
    if (thirdDivReference.style.display == 'block')
    {
     thirdDivReference.style.display = 'none';
    }
	if (fourthDivReference.style.display == 'block')
    {
     fourthDivReference.style.display = 'none';
    }
	if (fifthDivReference.style.display == 'block')
    {
     fifthDivReference.style.display = 'none';
    }
	if (sixthDivedReference.style.display == 'block')
    {
     sixthDivedReference.style.display = 'none';
    }
	if (seventhDivedReference.style.display == 'block')
    {
     seventhDivedReference.style.display = 'none';
    }
    
}

function flipThirdDiv()
{
    
    if (firstDivReference.style.display == 'block')
    {
     firstDivReference.style.display = 'none'
    }
    if (secondDivReference.style.display == 'block')
    {
     secondDivReference.style.display = 'none';
    }
	if (fourthDivReference.style.display == 'block')
    {
     fourthDivReference.style.display = 'none';
    }
	if (fifthDivReference.style.display == 'block')
    {
     fifthDivReference.style.display = 'none';
    }
	if (sixthDivedReference.style.display == 'block')
    {
     sixthDivedReference.style.display = 'none';
    }
	if (seventhDivedReference.style.display == 'block')
    {
     seventhDivedReference.style.display = 'none';
    }
}

function flipFourthDiv()
{
    
    if (firstDivReference.style.display == 'block')
    {
     firstDivReference.style.display = 'none'
    }
    if (secondDivReference.style.display == 'block')
    {
     secondDivReference.style.display = 'none';
    }
	 if (thirdDivReference.style.display == 'block')
    {
     thirdDivReference.style.display = 'none';
    }
	if (fifthDivReference.style.display == 'block')
    {
     fifthDivReference.style.display = 'none';
    }
	if (sixthDivedReference.style.display == 'block')
    {
     sixthDivedReference.style.display = 'none';
    }
	if (seventhDivedReference.style.display == 'block')
    {
     seventhDivedReference.style.display = 'none';
    }
	
}

function flipFifthDiv()
{
    
    if (firstDivReference.style.display == 'block')
    {
     firstDivReference.style.display = 'none'
    }
    if (secondDivReference.style.display == 'block')
    {
     secondDivReference.style.display = 'none';
    }
	 if (thirdDivReference.style.display == 'block')
    {
     thirdDivReference.style.display = 'none';
    }
	if (fourthDivReference.style.display == 'block')
    {
     fourthDivReference.style.display = 'none';
    }
	if (sixthDivedReference.style.display == 'block')
    {
     sixthDivedReference.style.display = 'none';
    }
	if (seventhDivedReference.style.display == 'block')
    {
     seventhDivedReference.style.display = 'none';
    }
}

function flipSixthDiv()
{
    
    if (firstDivReference.style.display == 'block')
    {
     firstDivReference.style.display = 'none'
    }
    if (secondDivReference.style.display == 'block')
    {
     secondDivReference.style.display = 'none';
    }
	 if (thirdDivReference.style.display == 'block')
    {
     thirdDivReference.style.display = 'none';
    }
	if (fourthDivReference.style.display == 'block')
    {
     fourthDivReference.style.display = 'none';
    }
	if (fifthDivReference.style.display == 'block')
    {
     fifthDivReference.style.display = 'none';
    }
	if (seventhDivedReference.style.display == 'block')
    {
     seventhDivedReference.style.display = 'none';
    }
}

function flipSeventhDiv()
{
    
    if (firstDivReference.style.display == 'block')
    {
     firstDivReference.style.display = 'none'
    }
    if (secondDivReference.style.display == 'block')
    {
     secondDivReference.style.display = 'none';
    }
	 if (thirdDivReference.style.display == 'block')
    {
     thirdDivReference.style.display = 'none';
    }
	if (fourthDivReference.style.display == 'block')
    {
     fourthDivReference.style.display = 'none';
    }
	if (fifthDivReference.style.display == 'block')
    {
     fifthDivReference.style.display = 'none';
    }
	if (sixthDivedReference.style.display == 'block')
    {
     sixthDivedReference.style.display = 'none';
    }
}