occhat_newmsgalert.js

关于在线聊天的程序,类似于QQ聊天,希望大家喜欢

// JavaScript Document for new msg alert
function ocChat_getSentMsgUsers(){
	var url = "getSentMsgUsers.asp";
	xmlHttp.open("GET", url, true);
	xmlHttp.onreadystatechange = ocChat_getSentMsgUsersReady;
	xmlHttp.send(null);
}

function ocChat_getSentMsgUsersReady(){
	if (xmlHttp.readyState == 4) {
		var response = xmlHttp.responseText;
		if(response=="ocChat_Err102"){	//if error
			ocChat_st_showErr(ocChat_sysMsgShowId,ErrMsg[2]);
			ocError=ErrMsg[2];
			return false;
		}
		else if(response=="ocChat_Err105"){	//if error
			return false;
		}else if(response.indexOf("|") != -1){
			var users=response.split("|");
			var userNum=users.length;
			for (i=0;i<userNum;i++){
				try{
					if(!parent.document.getElementById(users[i])){
						if(!document.getElementById(users[i]+"_ico")){
							ocChat_addNewUser(users[i]);
						}else{
							ocChat_changePic(users[i]+"_ico","Images/oc_msg_alert.gif");
						}
						ocChat_playIt();
					}else{
						var divObj=parent.document.getElementById(users[i]);
						if(divObj.style.display=="none"){
							ocChat_changePic(users[i]+"_ico","Images/oc_msg_alert.gif");
							ocChat_playIt();
							divObj.style.display="block";	//auto show it
						}
					}
				}catch(exception){}
			}

		}else{
			try{
				if(!parent.document.getElementById(response)){
					if(!document.getElementById(response+"_ico")){
						ocChat_addNewUser(response);
					}else{
						ocChat_changePic(response+"_ico","Images/oc_msg_alert.gif");
					}
					ocChat_playIt();
				}else{
					var divObj=parent.document.getElementById(response);
					if(divObj.style.display=="none"){
						ocChat_changePic(response+"_ico","Images/oc_msg_alert.gif");
						ocChat_playIt();
						divObj.style.display="block";	//auto show it
					}
				}
			}catch(exception){}
		}
	}
}

function ocChat_addNewUser(reciveUser){
	var adminObj=document.getElementById(ocChat_sendUserId);
	var currentAdmin=adminObj.innerHTML;

	var text="<img id='" + reciveUser + "_ico' src='Images/oc_ico.gif' "
		+ "onMouseOver=\"this.style.backgroundColor='#BFBFFF'\"" 
		+ "onMouseOut=\"this.style.backgroundColor=''\" "
		+ "onDblClick='ocChat_createOcChater(this)' "
		+ "alt='" + currentAdmin + "|" + reciveUser + "'>&nbsp;"+reciveUser;
	var td=document.createElement("td");
	td.innerHTML=text;
	var tr=document.createElement("tr");
	var tbody=document.createElement("tbody");
	tr.appendChild(td);
	tbody.appendChild(tr);

	var tableObj;
	if(reciveUser.substr(0,4) != "User"){
		tableObj=document.getElementById("ocChat_Registers");
	}else if(reciveUser != ""){
		tableObj=document.getElementById("ocChat_unRegisters");
	}

	tableObj.insertBefore(tbody,tableObj.firstChild);	//add img
}