// JavaScript Document
               /*   1   1   3   */
			   /*   1   2   3   */
			   /*   1   3   3   */
function showtab4(m4,n4,count4){
    var strBg11_pollute = ["url(img/backdrop_qian.jpg) no-repeat", "url(img/backdrop_qian.jpg) no-repeat"];
	var strBg22_pollute = ["url(img/backdrop_hou.jpg) no-repeat", "url(img/backdrop_hou.jpg) no-repeat"];
	var strCls11_pollute='qcgxfg_left_table_td_1_pollute';
	var strCls22_pollute='qcgxfg_left_table_td_2_pollute';
	
	for(var i4=1;i4<=count4;i4++){
		j4 = i4 - 1;
		if (i4==n4){	
			getObject('d_'+m4+'_'+i4).style.background=strBg11_pollute[j4];
			getObject('tab4_'+m4+'_'+i4).style.display='';
			getObject('d_'+m4+'_'+i4).className=strCls11_pollute;
			}
		else {
			getObject('d_'+m4+'_'+i4).style.background=strBg22_pollute[j4];
			getObject('tab4_'+m4+'_'+i4).style.display='none';
			getObject('d_'+m4+'_'+i4).className=strCls22_pollute;
			}
	}
}


//����������󷽷�
function getObject(objectId) {
    if(document.getElementById && document.getElementById(objectId)) {
	// W3C DOM
	return document.getElementById(objectId);
    } else if (document.all && document.all(objectId)) {
	// MSIE 4 DOM
	return document.all(objectId);
    } else if (document.layers && document.layers[objectId]) {
	// NN 4 DOM.. note: this won't find nested layers
	return document.layers[objectId];

    } else {
	return false;
    }
}