// JavaScript Document
    window.onload = function() {
		
/*    var oDiv = document.getElementById('div1');///原图框
    var oShow = oDiv.getElementsByTagName('div')[0];///等大透明框，范围
    var oSpan = oDiv.getElementsByTagName('span')[0];///半透明正方形
    var oImg = document.getElementById('img1');////显示图
	*/
    var oDiv = document.getElementById('View_imgID');///原图框
    var oShow = oDiv.getElementsByTagName('div')[0];///等大透明框，范围
    var oSpan = oDiv.getElementsByTagName('span')[0];///半透明正方形
    var oImg = document.getElementById('view_BigID');////显示图
		
    oShow.onmouseover = function() {
        oSpan.style.display = 'block';
        oImg.parentNode.style.display = 'block';
    };
    oShow.onmouseout = function() {
        oSpan.style.display = 'none';
        oImg.parentNode.style.display = 'none';
    };
    oShow.onmousemove = function(ev) {
        var oEvent = ev || event;
        var x = oEvent.clientX - oDiv.offsetLeft - oSpan.offsetWidth / 2;
		///$(".orga_locat").html("坐标："+x+"左边："+oDiv.offsetLeft+"半透明宽度："+oSpan.offsetWidth);
        var y = getScrollTop()+oEvent.clientY - oDiv.offsetTop - oSpan.offsetHeight / 2;
        if (x < 0) {
            x = 0;
        } else if (x > oShow.offsetWidth - oSpan.offsetWidth) {
			
            x = oShow.offsetWidth - oSpan.offsetWidth;
			
        }
        if (y < 0) {
            y = 0;
        } else if (y > oShow.offsetHeight - oSpan.offsetHeight) {
            y = oShow.offsetHeight - oSpan.offsetHeight
        }

        oSpan.style.left = x + 'px';
        oSpan.style.top = y + 'px';
		
        var percentX = x / (oShow.offsetWidth - oSpan.offsetWidth);
        var percentY = y / (oShow.offsetHeight - oSpan.offsetHeight);
        var oImgparent = oImg.parentNode;
        oImg.style.left = -percentX * (oImg.offsetWidth - oImgparent.offsetWidth) + 'px';
        oImg.style.top = -percentY * (oImg.offsetHeight - oImgparent.offsetHeight) + 'px';
    };
}; 


function getScrollTop()
{
    var scrollTop=0;
    if(document.documentElement&&document.documentElement.scrollTop)
    {
        scrollTop=document.documentElement.scrollTop;
    }
    else if(document.body)
    {
        scrollTop=document.body.scrollTop;
    }
    return scrollTop;
}