function myChgPic(myPicURL,myImgTagName){
	document.images[myImgTagName].src = myPicURL;
}
/* Display */
function display($val) {
	if($val=='display_1'){
		document.getElementById("tab_1").style.display = "block";
		document.getElementById("view_1").style.display = "block";
		document.getElementById("tab_2").style.display = "none";
		document.getElementById("view_2").style.display = "none";
	}else if($val=='display_2'){
		document.getElementById("tab_1").style.display = "none";
		document.getElementById("view_1").style.display = "none";
		document.getElementById("tab_2").style.display = "block";
		document.getElementById("view_2").style.display = "block";
	}
}