/*
	函数：显示或隐藏层 
	showDiv(divId_array,showLocality_array) 
	参数说明： 
	divId_array 所有要操作的层ID，用逗号分隔 
	showLocality_array 所有要显示的层在参数DivIdArray所对应的位置。为“0”或空时全部显示，设为负数则全部隐藏。 
	例如：showDiv('div3,div1,div2','2,3')为显示第二个(div1)和第三个层(div2)，第一个层(div3)将被隐藏。 
	*/ 
	function showDiv(divId_array,showLocality_array) 
	{ 
	  var div_array = new Array(); 
	  var locality_array = new Array(); 
	  var intLocality;//showLocality_array数组长度 
	  var intDiv;//div_array 数组长度 
	  var intTemp = 1;//临时变量 
	  var intTmp = 1;//临时变量 
	
	  //初始化 
	  if (divId_array) { 
	    div_array = divId_array.split(","); 
	  } else { 
	    intDiv = 0; 
	  } 
	  if (showLocality_array) { 
	    locality_array = showLocality_array.split(","); 
	    intLocality = locality_array.length; 
	
	    for (var n = 0;n < intLocality;n++) { 
	      intTemp *= locality_array[n]; 
	    } 
	    if (intTemp <= 0) { 
	      intLocality = intTemp; 
	    } else { 
	      intLocality = div_array.length; 
	      while (intLocality > 0) { 
	        intLocality -= 1; 
	        document.getElementById(""+ div_array[intLocality] +"").style.display = "none"; 
	      } 
	      intLocality = 1; 
	    } 
	  } else { 
	    intLocality = 0; 
	  } 
	
	  //显示指定层 
	  if (intDiv != 0 && intLocality >0) { 
	    intDiv = div_array.length; 
	    intLocality = locality_array.length; 
	    //排序locality_array 数组 
	    for (var n = 0;n < intLocality;n++) { 
	      intTemp = locality_array[n]; 
	      for (var m = n + 1;m < intLocality;m++) { 
	        if (locality_array[n] > locality_array[m]) { 
	          locality_array[n] = locality_array[m]; 
	          locality_array[m] = intTemp; 
	          intTemp = locality_array[n]; 
	        } 
	      } 
	    } 
	
	    intLocality = locality_array.length; 
	    intTemp = 0; 
	
	    // 
	    while (intTemp < intLocality) { 
	      if ((locality_array[intTemp] - 1) < div_array.length) { 
	        intTmp = locality_array[intTemp] - 1; 
	        document.getElementById(""+ div_array[intTmp] +"").style.display = "block"; 
	      } 
	
	      intTemp += 1; 
	    } 
	  } else if(intLocality == 0) {//显示所有层 
	    intLocality = div_array.length; 
	
	    while (intLocality > 0) 
	    { 
	    intLocality -= 1; 
	    document.getElementById(""+ div_array[intLocality] +"").style.display = "block"; 
	    } 
	  } else {//隐藏所有层 
	    intLocality = div_array.length; 
	
	    while (intLocality > 0) 
	    { 
	    intLocality -= 1; 
	    document.getElementById(""+ div_array[intLocality] +"").style.display = "none"; 
	    } 
	  } 
	}