//更改字体大小
var status0        = '';
function fontSize(type,objname){ 
	var currentfontsize,currentlineheight;	
	currentfontsize=parseInt(document.getElementById(objname).style.fontSize); 
	currentlineheight=parseInt(document.getElementById(objname).style.lineHeight);  
	
	if (type=="b"){	  
    if(currentfontsize<64){	  
      document.getElementById(objname).style.fontSize=(++currentfontsize)+'pt';
      //document.getElementById(objname).style.lineHeight=(++currentlineheight)+'pt';			
    }
  }
  else {	  
    if(currentfontsize>8){	  
      document.getElementById(objname).style.fontSize=(--currentfontsize)+'pt';
      //document.getElementById(objname).style.lineHeight=(--currentlineheight)+'pt';
    }
  }
}