썸네일 클릭하면 크게 보이게

function doShow(imgSrc){

 

obj = $("#bigimage");

$("#bigimage").prop("src",imgSrc); 

//alert(global_width);

//autoImgResize('bigimage',global_width);

var width = 0, height = 0;

maxSize = global_width.replace("px","")-180;    

width = obj.prop("width");

height = obj.prop("height");

obj.attr("width",maxSize+"px");

obj.attr("height",Math.round(height * (maxSize / width))+"px");

//obj.prop("height",Math.round(height * (maxSize / width))+"px"); 

//alert(width+", "+ height+", "+maxSize);    

     

}