function protectImageLoad() {

var tagName = 'a';
var target = null;

if (document.all) {
target = document.all.tags(tagName);
} else if(document.getElementsByTagName) {
target = document.getElementsByTagName(tagName);
}

for (i=0; i<target.length; i++) {
new imgProtect(target[i]);
}

oncontextmenuOffByTagName('img');
}

function imgProtect(a){

var self = this;
this.aObj = a;

this.addEvent = function(el, evname, func) {
if (el.attachEvent) {
el.attachEvent("on" + evname, func);
} else {
el.addEventListener(evname, func, true);
}
};

function onclickOffByA() {
var link = self.aObj.href || '';

if (link.indexOf('/user_images/') > -1) {
self.aObj.href = '#';
}
}

this.addEvent(a, 'click', onclickOffByA);

}



function oncontextmenuOffByTagName(tagName) {
var target = null;

if (document.all) {
target = document.all.tags(tagName);
} else if(document.getElementsByTagName) {
target = document.getElementsByTagName(tagName);
}
var i = 0;
var length = 0;

if (target) {
length = target.length;
for (i=0; i<length; i++) {
target[i].oncontextmenu = function(){return false;};
}
}
}