var offX = 4;
var offY = 4;
var width = 0;
var height = 0;
var scrollX = 0;
var scrollY = 0;  
var x = 0;
var y = 0;

function resizeimage() {
	var msgareas=document.getElementsByTagName("div");
	for (i=0; i<msgareas.length; i++) {
		if (msgareas[i].className=="itemmessage" || msgareas[i].id=="article_content" || msgareas[i].id=="comment") {
			var imgsinlog=msgareas[i].getElementsByTagName("img");
			for(j=0; j<imgsinlog.length; j++) {
				if (imgsinlog[j].width>'280') {
					imgsinlog[j].width="280";
					imgsinlog[j].style.cursor= 'pointer';
					imgsinlog[j].onclick = function() {window.open(this.src);}
					if (navigator.userAgent.toLowerCase().indexOf('ie') > -1) {
						imgsinlog[j].title = '请使用Ctrl+鼠标滚轮缩放图片';
							imgsinlog[j].onmousewheel = function img_zoom()    
							{
							  var zoom = parseInt(this.style.zoom, 10) || 100;
							  zoom += event.wheelDelta / 12;
							  if (zoom > 0 && event.ctrlKey) this.style.zoom = zoom + '%';
							  return false;
							}
					} else {
						imgsinlog[j].title = '右键查看图片地址';
					}
				}
			}
		}
	}
}