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📄 content.js

📁 SQL的数据操作语句-北京交大(收藏了一段时间)
💻 JS
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<!--
document.onmouseover = doDocumentOnMouseOver;
document.onmouseout = doDocumentOnMouseOut;

function doDocumentOnMouseOver() {
	var eSrc = window.event.srcElement ;
	if (eSrc.className == "item") {
		window.event.srcElement.className = "highlight"; // change class
	}
}

function doDocumentOnMouseOut() {
	var eSrc = window.event.srcElement ;
	if (eSrc.className == "highlight") {
		window.event.srcElement.className = "item"; // change class
	}
}

var bV=parseInt(navigator.appVersion);
NS4=(document.layers) ? true : false;
IE4=((document.all)&&(bV>=4)) ? true : false;
ver4 = (NS4 || IE4) ? true : false;

//function expandIt(){return}
//function expandAll(){return}

//isExpanded = false;
var SubItem = "";
var InitItem = "";
var ChildItem= "";
var flag="";
var back="";

function getIndex(el) {
	ind = null;
	for (i=0; i<document.layers.length; i++) {
		whichEl = document.layers[i];
		if (whichEl.id == el) {
			ind = i;
			break;
		}
	}
	return ind;
}

function arrange() {
	nextY = document.layers[firstInd].pageY + document.layers[firstInd].document.height;
	for (i=firstInd+1; i<document.layers.length; i++) {
		whichEl = document.layers[i];
		if (whichEl.visibility != "hide") {
			whichEl.pageY = nextY;
			nextY += whichEl.document.height;
		}
	}
}

function initIt(){
	if (NS4) {
		for (i=0; i<document.layers.length; i++) {
			whichEl = document.layers[i];
			if (whichEl.id.indexOf("Child") != -1) whichEl.visibility = "hide";
		}
		arrange();
	}
	else {
		tempColl = document.all.tags("DIV");
		for (i=0; i<tempColl.length; i++) {
			if (tempColl(i).className == "child") tempColl(i).style.display = "none";
		}

	}
	
	//alert("inititem="+InitItem+",childitem= "+ChildItem+",flag= "+flag+",pageitem="+pageitem);
	if(InitItem != "")	
	{
		if(ChildItem != "")
		{
			el = eval(ChildItem);
			el.bgColor = "#FFFFFF";
			childflag = 1;
		}
		else
		{
			if (flag=="1" || pageitem=="3")
			   childflag = 1;
			else if (flag=="0" )
			{
				childflag=2; 
				back =1;    //如果是收回,既没有任何展开
			}
			else
			   childflag = 0;  //没有点中任何子项
		}
		//alert(ChildItem+childflag+"ff"+back);
		if (back!="1")
		  expandIt(InitItem,childflag);
	}
	else
		SubItem = "";
		
}

function expandIt(el,childflag) {
	if (!ver4) return;
	if (IE4) {expandIE(el,childflag)} else {expandNS(el,childflag)}
}

function expandIE(el,childflag) { 
   //alert("childflag"+childflag);

	if(SubItem != "")
	{
		OldImg = eval(SubItem + "Img");
		OldItem = eval(SubItem + "Child");
		OldItem.style.display = "none";
		
		OldImg.src = "images/plus.gif";
	}

	if (SubItem == el) 
	{
		SubItem = "";
		if (pageitem=="2")
			window.document.location = 'kuang.asp?selitem='+el+'&itemflag=0';
		else
		{
			window.document.location = 'kcnr_main.htm';
		}
		return;
	}
	
	//alert(childflag);
	
	if (childflag=="0" && pageitem=="2")
	{
		window.document.location = 'kuang.asp?selitem='+el+'&itemflag=1';
		return;
	}
	else if(childflag=="0" && pageitem=="3")
	{
		//alert(el);
		if (el=="elOne")
			window.document.location = 'kcnr_main_1.htm';
		else if (el=="elTwo")
			window.document.location = 'kcnr_main_2.htm';
		else if (el=="elThree")
			window.document.location = 'kcnr_main_3.htm';
		else if (el=="elFour")
			window.document.location = 'kcnr_main_4.htm';
		else if (el=="elFive")
			window.document.location = 'kcnr_main_5.htm';
		else if (el=="elSix")
			window.document.location = 'kcnr_main_6.htm';
		else if (el=="elSeven")
			window.document.location = 'kcnr_main_7.htm';
		else if (el=="elEight")
			window.document.location = 'kcnr_main_8.htm';
		else
 			window.document.location = 'kcnr_main.htm';
 		return;
	}
	
//	if (pageitem=="2" )
//		   {
		//	window.document.location = 'kuang.asp?selitem='+el+'&itemflag=1';}
//		else
//		   {window.document.location = 'kcnr_main.htm';}
//	
	whichEl = eval(el + "Child");
	whichIm = eval(el + "Img");
	
//	tempColl = document.all.tags("DIV");
//	for (i=0; i<tempColl.length; i++) {
//		if (tempColl(i).className == "child") tempColl(i).style.display = "none";
//	}

	if (whichEl.style.display == "none") {
		whichEl.style.display = "block";
		whichIm.src = "images/minus.gif";		
	}
	else {
		whichEl.style.display = "none";
		whichIm.src = "images/plus.gif";
	}

	SubItem = el;
    window.event.cancelBubble = true ;
}

function expandNS(el) {
	whichEl = eval("document." + el + "Child");
	whichIm = eval("document." + el + "Parent.document.images['imEx']");
	if (whichEl.visibility == "hide") {
		whichEl.visibility = "show";
		whichIm.src = "images/minus.gif";
	}
	else {
		whichEl.visibility = "hide";
		whichIm.src = "images/plus.gif";
	}
	arrange();
}

with (document) {
	write("<STYLE TYPE='text/css'>");
	if (NS4) {
		write(".parent {font-size:12pt; line-height:10pt; color:black; text-decoration:none; margin-top: 5px; margin-bottom: 5px; position:absolute; visibility:hidden; color:grey;}");
		write(".child {text-decoration:none; font-size:9pt; line-height:10pt; position:absolute; visibility:hidden}");
	    write(".item { color:grey; text-decoration:none;}");
		write(".regular {position:absolute; visibility:hidden}");
	    write("DIV { color:grey; }")
	}
	else {
		write(".child {font:12px/13px Times; display:none}");
		write(".parent {font:12px/13px Times; color:blue; font-weight:bold; text-decoration:none; margin-top: 5px; margin-bottom: 5px; color: black;}");
	    write(".item { color:grey; text-decoration:none;}");
	    write(".highlight { color: red; }");
	    write(".heada { font: 12px/13px; Times}");
	    write("DIV { color:grey; }")
	}
	write("</STYLE>");
}

onload = initIt;
//-->

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