// JavaScript Document

/*画像右クリック抑制*/

function noContextMenu(){
    var img_elements = document.getElementsByTagName('img');
    for (i = 0 ; i < img_elements.length ; i++) {
		img_elements[i].oncontextmenu = function() {
            return false;
        }
    }
}

/*画像ドラッグ抑制*/

function noDrag(){
	//alert("no drag");
    var img_elements = document.getElementsByTagName('img');
    for (i = 0 ; i < img_elements.length ; i++) {
    	if(navigator.userAgent.indexOf("Gecko") != -1){
    		img_elements[i].onmousedown = function() {
	        	return false;
	        }
    	}else if(navigator.userAgent.indexOf("Mac") != -1){
	        img_elements[i].ondragstart = function() {
	            alert("Can not drag");
	        }
	    }else{
	        img_elements[i].ondragstart = function() {
	            return false;
	        }
	    }
    }
}


document.onmousemove = init;
document.onmouseover = init;

function init(){
	noContextMenu();
	noDrag();
}

/*イメージツールバー（WinIE6）無効化*/

document.writeln('<meta http-equiv="imagetoolbar" content="no">');