// JavaScript Document
function showson(mm){
	if (document.getElementById(mm).style.display == 'none'){
		document.getElementById(mm).style.display = '';
	}else{
		document.getElementById(mm).style.display = 'none';
	}
}

var  flag=false;  
function  MAXIMG(ImgD,maxx,maxy){  
     var  image=new  Image();  
     image.src=ImgD.src;  
     if(image.width>0  &&  image.height>0){  
       flag=true;  
       if(image.width/image.height>=maxx/maxy){  
         if(image.width>maxx){      
         ImgD.width=maxx;  
         ImgD.height=(image.height*maxx)/image.width;  
         }else{  
         ImgD.width=image.width;      
         ImgD.height=image.height;  
         }  
         ImgD.alt=image.width+"×"+image.height;  
         }  
       else{  
         if(image.height>maxy){      
         ImgD.height=maxy;  
         ImgD.width=(image.width*maxy)/image.height;            
         }else{  
         ImgD.width=image.width;      
         ImgD.height=image.height;  
         }  
         ImgD.alt=image.width+"×"+image.height;  
         }  
       }  
}