function openMain(){
	window.open("main.html","_self");
}

function openSimulPlant(){
	window.open("sub/simul/simul_plant.html","_blank","width=1000,height=700,toolbars=no,autoscrollbars=no,resize=no");
}
function openSimulLotteMBT(){
	window.open("sub/simul/simul_lotteMBT.html","_blank","width=1024,height=768,toolbars=no,autoscrollbars=no,resize=no");
}
function openSimulOpus(){
	window.open("sub/simul/simul_opus.html","_blank","width=1024,height=768,toolbars=no,autoscrollbars=no,resize=no");
}
function openVR_pano(){
	window.open("sub/vr/vr_pano/vr_pano.html","_blank","width=1024,height=768,toolbars=no,autoscrollbars=no,resize=no");
}
function openVR_object1(){
	window.open("sub/vr/vr_object1/vr_object1.html","_blank","width=1000,height=700,toolbars=no,autoscrollbars=no,resize=no");
}
function openVR_object2(){
	window.open("sub/vr/vr_object2/vr_object2.html","_blank","width=1000,height=700,toolbars=no,autoscrollbars=no,resize=no");
}
function openEducnt(){
	window.open("sub/edu/educnt.html","_blank");
}
function openBlog(){
	window.open("http://www.lineholic.co.kr/app/index.php","_blank");
}
function openRequest(){
	window.open("formmail/request.html","_blank");
}
function openVR_3dvr(){
	window.open("sub/vr/vr_3dvr/sheep.html","_blank");
}