function resizeUp() {
	if (document.getElementById ('reduceFont').style.display=='none'){
		document.getElementById ('noReduce').style.display='none';
		document.getElementById ('reduceFont').style.display='inline';	
	}
	var bds =document.getElementsByTagName('BODY');
	var bodyObj = bds[0];
	if(!bodyObj.style.fontSize){
		bodyObj.style.fontSize = '78.5%';
	} else {
		var str_fontsize = bodyObj.style.fontSize;
		var num_fontsize = str_fontsize.substring(0,str_fontsize.length-1);
		
		var num_newsize = num_fontsize * 1 + 8.5;
		if (num_newsize>95.5) num_newsize=95.5;
		bodyObj.style.fontSize = num_newsize + '%';
	}
	
	if (bodyObj.style.fontSize > '95%'){
		document.getElementById ('increaseFont').style.display='none';
		document.getElementById ('noIncrease').style.display='inline';	
	}
}

function resizeZero() {
	var bds =document.getElementsByTagName('BODY');
	var bodyObj = bds[0];
	bodyObj.style.fontSize = '70%';
}

function resizeDown() {
	if (document.getElementById ('increaseFont').style.display=='none'){
		document.getElementById ('noIncrease').style.display='none';
		document.getElementById ('increaseFont').style.display='inline';	
	}
	var bds =document.getElementsByTagName('BODY');
	var bodyObj = bds[0];
	if(!bodyObj.style.fontSize){
		bodyObj.style.fontSize = '61.5%';
	} else {
		var str_fontsize = bodyObj.style.fontSize;
		var num_fontsize = str_fontsize.substring(0,str_fontsize.length-1);

		var num_newsize = num_fontsize * 1 - 8.5;
		if (num_newsize<54) num_newsize=53;
		bodyObj.style.fontSize = num_newsize + '%';

	}
	
	if (bodyObj.style.fontSize <'54%'){
		document.getElementById ('reduceFont').style.display='none';
		document.getElementById ('noReduce').style.display='inline';	
	}
}