function checkName(){
	if(document.addForm.charName.value==""){
		return false;
	}
	else{
		return true;
	}
}
function showMessageBox(a,t)
{
	document.getElementById("mask").style.visibility='visible';
	document.getElementById("massage_box").style.visibility='visible';
	document.addForm.Prodid.value=a;
	document.addForm.ProductName.value=t;
}
function hideMessageBox()
{
	document.getElementById("mask").style.visibility='hidden';
	document.getElementById("massage_box").style.visibility='hidden';
}