//获取表单的值在提交表单时对比判断用户是否修改了关键词
//修改关键词后判断是否要关联参数
//如果参数是默认值则不关联
//此文件需要在页面的底部引用

/**

var key_Old=document.getElementById('keys').value;
var url=document.getElementById('tab_arg').value;
var is_Ownership=/\|06\w/;

  if(is_Ownership.test(url))
	{
	   cut_num=12;
	}
	else
	{
		 cut_num=8;
	}
/**/
	
//用户提交form表单时询问是否关联一查询的条件
function confirm_event(){
		
		var key_Now=document.getElementById('keys').value;
		
		if(key_Old==key_Now)
		{
				return true;
		}
		else
		{
				if(url.length >cut_num)
				{
				  isConfirm=document.getElementById('isConfirm').value;
					if(isConfirm=='no')
					{
							document.getElementById('confirm_div').style.display='block';
							return false;
					}else{
					    return true;
					}
				}else{
					 return true;
				}			
		}	
}

//提示询问是否关联查询--是
function confirm_yes(){
  document.getElementById('isConfirm').value='yes';
	document.getElementById('confirm_div').style.display='none';
	document.getElementById('form_key').submit();
}

//提示询问是否关联查询--否
function confirm_no(){
  document.getElementById('isConfirm').value='yes';
	var tag_url=document.getElementById('tab_arg').value;
	new_url=tag_url.substr(0,8);
	document.getElementById('tab_arg').value=new_url;
	document.getElementById('confirm_div').style.display='none';
	document.getElementById('form_key').submit();
}


function get_name(isthis)
{  
 document.getElementById('keys').value=isthis.title;
 document.getElementById('project_name_div').style.display='none';

}

function close_div_input()
{
 document.getElementById('project_name_div').style.display='none';
}



//如果用户修改了查询关键词则点击连接查询时修改关键词
function changurl()
{
  var arr_url=document.getElementById('tag_args').getElementsByTagName('a');   
	arr_length=arr_url.length; 
	for(i=0;i<arr_length;i++)
	{  
			arr_url[i].onclick=function()
			{				
				str=this.href;
				key_str=document.getElementById('keys').value;			
				old_key=request(str,'keys');
				if(old_key=='')
				{
						this.href=str+"&keys="+key_str;
				}
				else
				{
					this.href=str.replace('keys='+old_key,'keys='+key_str);
				}		
			}
	}	
}


//从网址字符传中获取参数值
function request(url,paras){ 
	var paraString = url.substring(url.indexOf("?")+1,url.length).split("&");  
	var paraObj = {}  
	for (i=0; j=paraString[i]; i++){  
	paraObj[j.substring(0,j.indexOf("=")).toLowerCase()] = j.substring(j.indexOf
	("=")+1,j.length);  
	}  
	var returnValue = paraObj[paras.toLowerCase()];  
	if(typeof(returnValue)=="undefined"){  
	return "";  
	}else{  
	return returnValue;  
	}  
}