//兼容性返回相应值
function winwidth() {
	var winwidth = 0;
	if (window.innerwidth)
		winwidth = window.innerwidth;
	else if ((document.body) && (document.body.clientwidth))
		winwidth = document.body.clientwidth;
	if (document.documentelement && document.documentelement.clientwidth)
		winwidth = document.documentelement.clientwidth;
	return winwidth; //返回浏览器height值
}


function winheight() {
	var winheight = 0;
	if (window.innerheight)
		winheight = window.innerheight;
	else if ((document.body) && (document.body.clientheight))
		winheight = document.body.clientheight;
	if (document.documentelement && document.documentelement.clientheight)
		winheight = document.documentelement.clientheight;
	return winheight; //返回浏览器height值  
}

function screenwidth(){
	return window.screen.width;
} //返回浏览器分辨率width值

var wwidth = 0;
var wheight = 0;
var swidth = 0;
var ratio = 0;
var ratio1 = 0;
var margintop1 = 0;
function websize(){
	wwidth = winwidth();//width值
	wheight = winheight();//height值
	swidth = screenwidth();//分辨率width值
	
	
    	
	
	$(".bodyer_content").css({"height":wheight-102,"width":wwidth});

    
    ratio = parseint($(".bodyer_content").width())/parseint($(".bodyer_content").height());
   
    
    if(ratio > 2.017654477){
       $(".image_block img").css({width:$(".bodyer_content").width(),height:"auto"});
    }else{
       $(".image_block img").css({height:$(".bodyer_content").height(),width:"auto"});
    }
    
	
}


$(function(){
    websize();
})
$(window).resize(function(){
    websize();
});