var textsize = 1;
function changetextsize(textVal){
	if(textVal == 'up') {
		textsize = parseFloat(textsize)+0.2;
	}else if(textVal == 'down'){
		textsize = parseFloat(textsize)-0.2;
	} else {
		textsize = 1;
	}
}

function fsize(size,unit,id){
	var vfontsize = document.getElementById(id);
	if(vfontsize){
		vfontsize.style.fontSize = size + unit;
		createCookie("textsizestyle", textsize, 10);
	}
}

function createCookie(name,value,days) {
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}

function printPartOfPage(elementId)
{
 var printContent = document.getElementById(elementId);
 var windowUrl = 'about:blank';
 var windowName = 'Print' + new Date().getTime();
 var printWindow = window.open(windowUrl, windowName);

 printWindow.document.write(printContent.innerHTML);
 printWindow.document.close();
 printWindow.focus();
 printWindow.print();
 printWindow.close();
}