//-------------�l�ݒ�---------------
 
var classN = "zebra";
var addClass1 = "trcolor1";
var addClass2 = "trcolor2";
 
//---------------------------------
 
function tableZebra() {
    if (!document.getElementsByTagName) return false;
 
    var zebraTables = document.getElementsByTagName("table");
    
    for (var i=0; i < zebraTables.length; i++) {
        if (zebraTables[i].className.match(classN)) {
 
            var zebraRows = zebraTables[i].getElementsByTagName("tr");
            
            for (var k=0; k < zebraRows.length; k++) {
                if (k%2) {
                    zebraRows[k].className = addClass2;
                } else {
                    zebraRows[k].className = addClass1;
                }
            }
        }
    }
}
 
window.onload = tableZebra;



//-------------smartRollover---------------

function smartRollover() {
	if(document.getElementsByTagName) {
		var images = document.getElementsByTagName("img");

		for(var i=0; i < images.length; i++) {
			if(images[i].getAttribute("src").match("_off."))
			{
				images[i].onmouseover = function() {
					this.setAttribute("src", this.getAttribute("src").replace("_off.", "_on."));
				}
				images[i].onmouseout = function() {
					this.setAttribute("src", this.getAttribute("src").replace("_on.", "_off."));
				}
			}
		}
	}
}

if(window.addEventListener) {
	window.addEventListener("load", smartRollover, false);
}
else if(window.attachEvent) {
	window.attachEvent("onload", smartRollover);
}