var uselayers = (document.layers) ? true : false;
var useall = (document.all) ? true : false;
var useget = (document.getElementById) ? true : false;
var ldivid = '';

function sdiv(divid) {
	var obj = null;
	if (useget) {
		obj = document.getElementById(divid);
	} else if (useall) {
		obj = document.all[divid];
	} else if (uselayers) {
		obj = document.layers[divid];
	}
	if (obj) {
		obj.style.visibility = 'visible';
	}
	if (ldivid!='' && ldivid!=divid) hdiv(ldivid);
	ldivid=divid;
}

function hdiv(divid) {
	var obj = null;
	if (useget) {
		obj = document.getElementById(divid);
	} else if (useall) {
		obj = document.all[divid];
	} else if (uselayers) {
		obj = document.layers[divid];
	}
	if (obj) {
		obj.style.visibility = 'hidden';
	}
	ldivid='';
}

function zoom(partid) {
	popup = window.open("index.aspx?page=zoom&partid=" + partid,
	"largeimage",
	"height=550,width=520,scrollbars=no,alwaysRaised=yes");
}