function layerswich(){	

	if($('boxswitch') === null ) {return;}

	var e, i = 0;

	var evtType = $('boxswitch').getAttribute('evt');	

	while (e = $('boxswitch').getElementsByTagName ('DIV') [i++]) {

		if (e.className == 'on' || e.className == 'off') {

			if(evtType=='click'){

				e.onclick = function () {

					var getEls = $('layer_switch').getElementsByTagName('DIV');

						for (var z=0; z<getEls.length; z++) {

						getEls[z].className=getEls[z].className.replace('show', 'hide');

						getEls[z].className=getEls[z].className.replace('on', 'off');

						}

					this.className = 'on';

					var max = this.getAttribute('title');

					$(max).className = "show";

				}

			}

			else{

				e.onmouseover = function () {

					var getEls = $('layer_switch').getElementsByTagName('DIV');

						for (var z=0; z<getEls.length; z++) {

						getEls[z].className=getEls[z].className.replace('show', 'hide');

						getEls[z].className=getEls[z].className.replace('on', 'off');

						}

					this.className = 'on';

					var max = this.getAttribute('title');

					$(max).className = "show";

				}

			}

		}	

	}



}