/*configuration*/

var maxCSSFileNumber 		= 4;
var minCSSFileNumber		= 1;
var standardCSSFileNumber 	= 1;


function cssChangeStandard()
{
	document.getElementById("cssfile").href = "css/main" + standardCSSFileNumber + ".css";
}


function cssChangeBigger()
{
	var actualCSSFile = document.getElementById("cssfile").href;
	
	var actualCSSFileLength = actualCSSFile.length;

	var positionNumber = Number(actualCSSFileLength - 5);
		
	var string = actualCSSFile.charAt(positionNumber);
	
	if(string<maxCSSFileNumber)
	{
		string++;
	}
	else if(string==maxCSSFileNumber)
	{
	}
	else
	{
	}
	
	
	document.getElementById("cssfile").href = "css/main" + string + ".css";
}


function cssChangeSmaller()
{
	var actualCSSFile = document.getElementById("cssfile").href;
	
	var actualCSSFileLength = actualCSSFile.length;

	var positionNumber = Number(actualCSSFileLength - 5);
		
	var string = actualCSSFile.charAt(positionNumber);
	
	if(string>minCSSFileNumber)
	{
		string--;
	}
	else if(string==minCSSFileNumber)
	{
	}
	else
	{
	}
	
	
	document.getElementById("cssfile").href = "css/main" + string + ".css";
}