function chgMainPic1(src){
		var obj = document.getElementById('beta-inner-item-detail-layout-mainPic1');
		if (obj.style){
		//image = 'getImg/'+src;
		image = src;
		obj.style.backgroundImage = 'url('+image+')';
		obj.style.display="block";
		obj.src=image;
		}
	}
	
	function chgMainPic2(src){
		var obj = document.getElementById('beta-inner-item-detail-layout-mainPic2');
		if (obj.style){
		//image = 'getImg/'+src;
		image = src;
		obj.style.backgroundImage = 'url('+image+')';
		obj.style.display="block";
		obj.src=image;
		}
	}
	
	function chgMainPic3(src){
		var obj = document.getElementById('beta-inner-item-detail-layout-mainPic3');
		if (obj.style){
		//image = 'getImg/'+src;
		image = src;
		obj.style.backgroundImage = 'url('+image+')';
		obj.style.display="block";
		obj.src=image;
		}
	}
	
	function chgMainPic4(src){
		var obj = document.getElementById('beta-inner-item-detail-layout-mainPic4');
		if (obj.style){
		//image = 'getImg/'+src;
		image = src;
		obj.style.backgroundImage = 'url('+image+')';
		obj.style.display="block";
		obj.src=image;
		}
	}
	
	function chgMainPic5(src){
		var obj = document.getElementById('beta-inner-item-detail-layout-mainPic5');
		if (obj.style){
		//image = 'getImg/'+src;
		image = src;
		obj.style.backgroundImage = 'url('+image+')';
		obj.style.display="block";
		obj.src=image;
		}
	}
	
	function chgMainPic6(src){
		var obj = document.getElementById('beta-inner-item-detail-layout-mainPic6');
		if (obj.style){
		//image = 'getImg/'+src;
		image = src;
		obj.style.backgroundImage = 'url('+image+')';
		obj.style.display="block";
		obj.src=image;
		}
	}