/*
 * 改变字体大小   document.body.style.zoom = 1.50;
 */  
function nomal() {
	document.body.style.zoom = 1.0;
	$("#fontBut").html("<span class='glyphicon glyphicon-font'></span>字体(正常) <span class='caret'></span>");
}

function middle() {
	document.body.style.zoom = 1.25;
	$("#fontBut").html("<span class='glyphicon glyphicon-font'></span>字体(中) <span class='caret'></span>");
}

function big() {
	document.body.style.zoom = 1.5;
	$("#fontBut").html("<span class='glyphicon glyphicon-font'></span>字体(大) <span class='caret'></span>");
}

function fontFunction(docType){
	var fontStr = '<div class="btn-group">' + 
					  '<button type="button" id="fontBut" class="btn btn-info dropdown-toggle" data-toggle="dropdown"> ' +
					    '字体(正常) <span class="caret"></span>' +
					  '</button>' +
					  '<ul id="fontSize" class="dropdown-menu" role="menu">' +
					    '<li><a href="javascript:void(0)" onclick="nomal()">正常</a></li>' +
					    '<li><a href="javascript:void(0)" onclick="middle()">中</a></li>' +
					    '<li><a href="javascript:void(0)" onclick="big()">大</a></li>' +
					  '</ul>' +
					'</div>';
	
		$("#button_load").append(fontStr);
	
	
}