code: function() {
  	var totalWidth = this.element.offsetWidth;
  	if (totalWidth < this.minWidth){
  		if (this.isNarrow == null || this.isNarrow == false)
  			this.isNarrow = true
  		this.hideMaster()
  	}
  	else{
  		if (this.isNarrow == null || this.isNarrow == true)
  			this.isNarrow = false
  		this.showMaster()
  	}
  	this.calcWidth();
  
  }
docs: MDLayout.DEFAULTS = { minWidth: 600, //		masterFloat: false, afterNarrow:function(){}, afterUnNarrow:function(){}, afterMasterGo:function(pageId){}, afterMasterBack:function(pageId){}, afterDetailGo:function(pageId){}, afterDetailBack:function(pageId){} }