/*****Zoom In & Zoom Out Script*****/

var zoomRate = 5;			// 확대/축소시 증감률
var maxRate = 150;			//최대확대률
var minRate = 100;			//최소축소률

function GetCookie(name){
	if (document.cookie != "") {
		zoomc = document.cookie.split("; ");
		for (var i=0; i < zoomc.length; i++) {
			zoomv = zoomc[i].split("="); 
			if (zoomv[0] == name) {
				return  unescape(zoomv[1]);
			}
		}
	}else{
		return "";
	}
}

function SetCookie(name,value){
	document.cookie = name + "=" + escape (value)+";";
}

function GoZoom(contentid){
	if(GetCookie("zoomVal") != null && GetCookie("zoomVal") != ""){
		document.all[contentid].style.zoom = GetCookie("zoomVal");
		currZoom=GetCookie("zoomVal");
	}
	else{
		document.all[contentid].style.zoom = '100%'; 
		currZoom = '100%';
	}
}

//Zoom In & Zoom Out
function zoomInOut(contentid, how) {

	if(GetCookie("zoomVal") != null && GetCookie("zoomVal") != ""){
		document.all[contentid].style.zoom = GetCookie("zoomVal");
		currZoom=GetCookie("zoomVal");
	}
	else{
		document.all[contentid].style.zoom = '100%'; 
		currZoom = '100%';
	}
	if (((how == "in") && (parseInt(currZoom) >= maxRate)) || ((how == "out") && (parseInt(currZoom) <= minRate)) ) {
		return; 
	}
	if (how == "in") {
		document.all[contentid].style.zoom = parseInt(document.all[contentid].style.zoom)+zoomRate+'%'
	}
	else {
		document.all[contentid].style.zoom = parseInt(document.all[contentid].style.zoom)-zoomRate+'%'
	}
	SetCookie("zoomVal",document.all[contentid].style.zoom);
}

//	+, - key event
document.onkeypress = getKey;

function getKey(keyStroke) {
	isNetscape=(document.layers);
	eventChooser = (isNetscape) ? keyStroke.which : event.keyCode;
	which = String.fromCharCode(eventChooser).toLowerCase();
	which2 = eventChooser;

	var el=event.srcElement;

	if ((el.tagName != "INPUT") && (el.tagName != "TEXTAREA"))		//input,textarea 안에서의 +.-값은 실행안되도록
	{			
		if(which == "+" )
			zoomInOut('zoom', 'in');
		else if(which == "-" )
			zoomInOut('zoom', 'out');
	}
}

function jsiPrint()
{
	var width = 730;
	var height = 350;
	var x, y;
	var screen_width  = screen.width;
	var screen_height = screen.height;
	x = (screen_width  / 2) - (width  / 2);
	y = (screen_height / 2) - (height / 2);
	var pop = window.open ( "./for_print.jsp","print","width=" + width + ", height=" + height + ", left=" + x + ", top=" + y + ", toolbar=no, status=no, menubar=no, scrollbars=yes, resizable=yes");
	pop.focus();
	return;
}