function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		aboutus_over = newImage("../common/aboutus_on.gif");
		ourclients_over = newImage("../common/ourclients_on.gif");
		ournetwork_over = newImage("../common/ournetwork_on.gif");
		ourwork_over = newImage("../common/ourwork_on.gif");
		corporatedata_over = newImage("../common/corporatedata_on.gif");
		contactus_over = newImage("../common/contactus_on.gif");
		map_over = newImage("../common/map_on.gif");
		recruit_over = newImage("../common/recruit_on.gif");
		preloadFlag = true;
	}
}

function open_windowa(url) {
	nwin = window.open( url , "" , "toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,WIDTH=430,HEIGHT=450");
	}
function open_windowb(url) {
	nwin = window.open( url , "" , "toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,WIDTH=350,HEIGHT=220");
	}
function open_windowc(url) {
	nwin = window.open( url , "" , "toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,WIDTH=435,HEIGHT=590");
	}
function open_windowd(url) {
	nwin = window.open( url , "" , "toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=no,WIDTH=480,HEIGHT=570");
	}

function open_windowe(url) {
	nwin = window.open( url , "" , "toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,WIDTH=500,HEIGHT=500");
	}