//根据id获取控件

function GetObject(id) 

{

	if (typeof(document.getElementById) != "undefined") 

	{

		return document.getElementById(id);

	} 

	else 

	{

		return document.all[id];

	}

}

//全选checkbox

function DoSelectAll(theBox, theName)

{

	xState = theBox.checked;

	elm = theBox.form.elements;

  	for (i = 0; i < elm.length; i++) 

  	{

		if (("checkbox" == elm[i].type) && (-1 != elm[i].name.indexOf(theName)))

		{

			elm[i].checked = xState;

		}

	}

}

//判断是否最少选择一项checkbox

function DoCheckSelect(theBox, theName)

{

	elm = theBox.form.elements;

  	for (i = 0; i < elm.length; i++) 

  	{

		if (("checkbox" == elm[i].type) && (-1 != elm[i].name.indexOf(theName)) && (true == elm[i].checked))

		{

			return true;

		}

	}

	return false;

}



//判断获取checkbox系列的值

function GetCheckValue(theBox, theName)

{

	elm = theBox.form.elements;

	val = '';

  	for (i = 0; i < elm.length; i++) 

  	{

		if (("checkbox" == elm[i].type) && (-1 != elm[i].name.indexOf(theName)) && (true == elm[i].checked))

		{

			val += elm[i].value + '_';

		}

	}

	if ('' != val)

		val = val.substr(0, val.length - 1);

	

	return val;

}



//键盘控制

function CheckNumber()

{

	var val=window.event.keyCode;

	if ( val < 48 || val > 57)

		return false;

}



//根据theValue的值设置SELECT中的选项

function DoSetSelect(theObj, theValue)

{

	var obj = GetObject(theObj);

	

	var str_value = ",," + theValue + ",";

	

	for (var i = 0; i < obj.length; i++)

	{

		var now_value = "," + obj.options[i].value + ",";

		

		if (0 < str_value.indexOf(now_value))

			obj.options[i].selected = true;

	}

}



//获取多选select中被选中的值

function GetSelectValue(theID)

{

	var obj = GetObject(theID);

	

	var val = '';

	

	for (i = 0; i < obj.length; i ++)

	{

	     if (obj.options[i].selected)

	     {

	         val += obj.options[i].value + '_';

	     }

	}

	

	if ('' != val)

		val = val.substr(0, val.length - 1);

	

	return val;

}



//切换显示模块

/*

* now_block   : 当前块名称

* array_block : 块的队列ID

* array_css : 

*		* array_css['selected']   : 被选中时候的css

*		* array_css['unselect']   : 未被选中时候的css

*/

function SwitchBlock(now_block, array_block, array_css)

{

	var count_block = array_block.length;



	for (var i = 0; i < count_block; i++)

	{

		if (now_block == array_block[i])

		{

			var now_block = GetObject(array_block[i]);

			now_block.style.display = "";

			var now_block_switch = GetObject("switch_" + array_block[i]);

			now_block_switch.className = array_css['selected'];

		}

		else

		{

			var other_block = GetObject(array_block[i]);

			other_block.style.display = "none";

			var other_block_switch = GetObject("switch_" + array_block[i]);

			other_block_switch.className = array_css['unselect'];

		}

	}

}



//切换CSS

/*

* now_block   : 当前块名称

* array_block : 块的队列ID

* array_css : 

*		* array_css['selected']   : 被选中时候的css

*		* array_css['unselect']   : 未被选中时候的css

*/

function SwitchCSS(now_block, array_block, array_css)

{

	var count_block = array_block.length;



	for (var i = 0; i < count_block; i++)

	{

		if (now_block == array_block[i])

		{

			var now_block = GetObject(array_block[i]);

			now_block.className = array_css['selected'];

		}

		else

		{

			var other_block = GetObject(array_block[i]);

			other_block.className = array_css['unselect'];

		}

	}

}