function searchManage(searchStr,operType,name,value){
	var searchArray = new Array();
	var returnStr = "";		
	if (searchStr != ""){
		searchArray = searchStr.split("&");	
		
		for(var i = 0 ; i < searchArray.length ; i ++){
			if (searchArray[i] != ""){
				var paramArray = new Array();
				paramArray = searchArray[i].split("=");		
				if (paramArray[0] == name){
					searchArray.splice(i,1);
					i--;
				}
			}
		}
	}
	
	if (operType == "add"){
		returnStr = name +  "=" + value;
	}
	
	if (operType == "remove"){
	}
	
	
	for(var j = 0; j < searchArray.length; j++){
		if (searchArray[j] != ""){
			returnStr += "&" + searchArray[j];
		}
	}

	return returnStr;
	
}
function addSearch(searchStr,name,value){
	if (searchStr == "URL"){
		return searchManage(window.location.search.substr(1),"add",name,value);
	}
	return searchManage(searchStr,"add",name,value);	
}
function removeSearch(searchStr,name){
	if (searchStr == "URL"){
		return searchManage(window.location.search.substr(1),"remove",name,"");	
	}
	return searchManage(searchStr,"remove",name,"");	
}

function getSearchValue(searchStrParam,name){
	if (searchStrParam == "URL"){
		searchStr = window.location.search.substr(1);
	}else{
		searchStr = searchStrParam;
	}
	
	
	var searchArray = new Array();
	var returnStr = "";		
	if (searchStr != ""){
		searchArray = searchStr.split("&");	
		
		for(var i = 0 ; i < searchArray.length ; i ++){
			if (searchArray[i] != ""){
				var paramArray = new Array();
				paramArray = searchArray[i].split("=");		
				if (paramArray[0] == name){
					returnStr = paramArray[1];
					return returnStr;
				}
			}
		}
	}
	
	return "";
}