//Prowered bY ZaneGe mailto:eatoncn@163.com

//ver: 1.0.0.05.10.2008

var lastLevel1Obj = "";

var lastLevel2Obj = "";

var lastLevel3Obj = "";

var lastLevel4Obj = "";

function setTargetById(idref){ 

	var obj = document.getElementById(idref);

		if(obj == null) {return;}

	var objid = obj.parentNode.parentNode.id;

	if(objid.indexOf("_") != -1){

		var lev4 = objid.substring(objid.indexOf("_")+1);

		if(lev4.indexOf("_") != -1) { 

			var parentObj = document.getElementsByName("mi"+objid.substr(2));

			var parentParentObjName = parentObj[0].name.substring(0, parentObj[0].name.lastIndexOf("_"));

			var parentParentObj = document.getElementsByName(parentParentObjName);

			var parentParentParentObjName = parentParentObj[0].name.substring(0, parentParentObj[0].name.lastIndexOf("_"));

			var parentParentParentObj = document.getElementsByName(parentParentParentObjName);

			set1(parentParentParentObj[0]);

			set2(parentParentObj[0]);

			set3(parentObj[0]);

			set4(obj);

		} else {

			var parentObj = document.getElementsByName("mi"+objid.substr(2));

			var parentParentObj = document.getElementsByName(parentObj[0].name.substr(0,parentObj[0].name.lastIndexOf("_")));

			set1(parentParentObj[0]);

			set2(parentObj[0]);

			set3(obj);

		}

	} else if(objid.indexOf("tm") != -1){

		var parentObj = document.getElementsByName("mi"+objid.substr(2));

		set1(parentObj[0]);

		set2(obj);

	} else{

		set1(obj);

	}

}

function swap(obj){

	var child = hasChild(obj);

	if(child){

		child.style.display=="block"?child.style.display="none":child.style.display="block";



	}

}

function collapse(obj){

	var child = hasChild(obj);

	if(child){

		child.style.display="none";

	}

}	

function hasChild(obj){

	return document.getElementById("tm"+obj.name.substr(2));

}

function setFontNormal(e){

	e.style.fontWeight="normal";

	e.style.color="#0067C6";

}

function setFontBold(e){

	e.style.fontWeight="normal";

	e.style.color="#666666";

}



function set1(obj) {

	if(obj != lastLevel1Obj) {  

		swap(obj); 

		obj.parentNode.className="tm_on"; 

		

		if(lastLevel1Obj){ 

			collapse(lastLevel1Obj);

			lastLevel1Obj.parentNode.className="tm";

		}

		if(lastLevel2Obj){

			collapse(lastLevel2Obj);

			setFontNormal(lastLevel2Obj);

			lastLevel2Obj="";

		}

		lastLevel1Obj = obj;

	} else {

		swap(obj);

		if(lastLevel2Obj){

			collapse(lastLevel2Obj)

			setFontNormal(lastLevel2Obj);

			lastLevel2Obj="";

		}

		if(lastLevel3Obj){

			setFontNormal(lastLevel3Obj);

		}

	}

	obj.blur();

}

function set2(obj){

	if(obj != lastLevel2Obj) {

		swap(obj);

		setFontBold(obj);

		

		if(lastLevel2Obj) {

			collapse(lastLevel2Obj);

			setFontNormal(lastLevel2Obj);

		}

		if(lastLevel3Obj){

			collapse(lastLevel3Obj);

			setFontNormal(lastLevel3Obj);

			lastLevel3Obj="";

		}

		lastLevel2Obj = obj;

	} else {



		swap(obj);

		setFontBold(obj);

		if(lastLevel3Obj){

			collapse(lastLevel3Obj);

			setFontNormal(lastLevel3Obj);

			lastLevel3Obj="";

		}

	}

	obj.blur();

}

function set3(obj){

	if(obj != lastLevel3Obj){

		swap(obj);

		setFontBold(obj);

		

		if(lastLevel3Obj){

			collapse(lastLevel3Obj);

			setFontNormal(lastLevel3Obj);

		}

		if(lastLevel4Obj){

			setFontNormal(lastLevel4Obj);

			lastLevel4Obj="";

		}

		lastLevel3Obj = obj;

		if(lastLevel2Obj){

			setFontNormal(lastLevel2Obj);

		}

	} else {

		swap(obj);

		setFontBold(obj);

		if(lastLevel4Obj){

			setFontNormal(lastLevel4Obj);

			lastLevel4Obj="";

		}

	}

	obj.blur();

}

function set4(obj){

	if(obj != lastLevel4Obj){

		obj.style.fontWeight="bold";

	

		if(lastLevel4Obj){

			setFontNormal(lastLevel4Obj);

		}

		lastLevel4Obj = obj;

		setFontNormal(lastLevel3Obj);

	}

	obj.blur();

}

function collapseAll() {

	if(lastLevel1Obj){ 

		swap(lastLevel1Obj);

		lastLevel1Obj.parentNode.className="tm";

	}

	lastLevel1Obj="";

	lastLevel2Obj = "";

	lastLevel3Obj = "";

	lastLevel4Obj = "";

}





if (window.navigator.userAgent.indexOf("MSIE")>=1) {

    setActiveStyleSheet("ec_lefti.css");

} else {

    if (window.navigator.userAgent.indexOf("Firefox")>=1) {

        setActiveStyleSheet("ec_left.css");

    } else {

        setActiveStyleSheet("ec_left.css");

    }

}

function setActiveStyleSheet(title){

    document.getElementsByTagName("link")[0].href="../css/"+title;

}