var loads		= false;
var checkAll	=
{
	obj		: null,
	objCnt	: 0,
	vcheck	: false,

	init : function ()
	{
		this.obj	= document.getElementsByName('display_vnum[]');
		this.objCnt	= this.obj.length;
	},

	clickEvent : function ()
	{
		this.init();
		if (loads == false) 
		{
			loads	= true;
			this.boxAllCheck();
		}
		else
		{
			loads	= false;
			this.boxAllNot();
		}
	},

	checkView : function (frm)
	{
		this.init();
		for (i=0; i<this.objCnt; i++) { if (this.obj[i].checked == true) { this.vcheck = true; } }

		if (this.vcheck == false) { alert('¿©·¯ »çÁøÀ» º¸½Ã·Á¸é Çϳª ÀÌ»ó ¼±ÅÃÇØ ÁֽʽÿÀ.'); return false; }

		frm.submit();
	},

	boxAllCheck : function ()
	{
		for (i=0; i<this.objCnt; i++)
		{
			this.obj[i].checked	= true;
		}
	},

	boxAllNot : function ()
	{
		for (i=0; i<this.objCnt; i++)
		{
			this.obj[i].checked	= false;
		}
	}
}