// JScript 文件
function sw_coursware(name, curr,tabNum){
	var oTable = document.getElementById(name);
		
	var oCols = (oTable.rows[0].cells.length - 1) / 3 + 1;
			
	for (i=1; i<oCols; i++){
		if (i==curr)
		{
			document.getElementById(name + "sb" + i).src = '../images/suffix_b.gif';
			document.getElementById(name + "t" + i).className = 'ta';
			document.getElementById(name + "t" + i).style.fontWeight = "Bold";
		} else 
		{
			document.getElementById(name + "sb" + i).src = '../images/suffix_a.gif';
			document.getElementById(name + "t" + i).className = 'tb';
			document.getElementById(name + "t" + i).style.fontWeight = "";
		}
		
	}
	
	for(i=1; i <= tabNum; i++)
	{
	    if(i == curr)
	        document.getElementById("tab" + i).style.display = "";
	    else
	        document.getElementById("tab" + i).style.display = "none";
	}
	
	return false;
}