function el(el_name) {
	if(document.getElementById(el_name)) return document.getElementById(el_name);
	else return null;
}

function el_value(el_name) {
	if(el(el_name)) return encodeURIComponent(trim(el(el_name).value));
	else return null;
}

function scan_el_value(form_Name,input_Name) {
	var tmp="";
	var obj=eval("document."+form_Name+"."+input_Name);
	if(obj.length) { 
      for(var i=0;i<obj.length;i++) {
          tmp += (tmp==""?"":"|") + encodeURIComponent(obj[i].id + "=" + obj[i].value);	
      }
    } else {
    	tmp = encodeURIComponent(obj.id + "=" + obj.value);	
    }
	return tmp;
}

function scan_ck_value(form_Name,input_Name) {
	var tmp="";
	var obj=eval("document."+form_Name+"."+input_Name);

	if(obj.length) { 
      for(var i=0;i<obj.length;i++) {
          if(obj[i].checked) {
              tmp += (tmp==""?"":"|") + encodeURIComponent(obj[i].id + "=" + obj[i].value);	
          }
      }
    } else {
        if(obj.checked) {
	    	tmp = encodeURIComponent(obj.id + "=" + obj.value);	
    	}
    }
	return tmp;
}

function ck_value(form_Name,input_Name) {
	var tmp="";
	var obj=eval("document."+form_Name+"."+input_Name);

	for(var i=0;i<obj.length;i++) {
		if(obj[i].checked) {
			tmp += (tmp==""?"":"|") + "[" + encodeURIComponent(obj[i].value) + "]";	
		}
	}
	return tmp;
}

function div_DHide(div_name){
	el(div_name + '_div').style.display='none'; 
	el(div_name + '_div').style.top = -10000; 
	el(div_name + '_div').style.left = -10000;
}

function div_DShow(div_name, btn_name, x, y){
	if(x == null) x = 0;
	if(y == null) y = 0;
	var DivWait = el(div_name + '_div');
	var posXY = getoffset(el(btn_name));
	DivWait.style.top = (parseInt(x) + parseInt(posXY[0])) + "px";
	DivWait.style.left = (parseInt(y) + parseInt(posXY[1])) + "px";
	DivWait.style.display = "block";
	DivWait.style.zindex = "9";
}

var timer_div_Timer = null; 
function div_THide(div_name){
	clearTimeout(timer_div_Timer);
	timer_div_Timer = null;
	timer_div_Timer = setTimeout("div_DHide('" + div_name + "')" , 600);
}

function div_TShow(div_name, btn_name, x, y){
	clearTimeout( timer_div_Timer );
	timer_div_Timer = null;
	timer_div_Timer = setTimeout("div_DShow('" + div_name + "','" + btn_name + "','" + x + "','" + y + "')" , 300);
}

function clear_Ttimer() {
	clearTimeout(timer_div_Timer);
	timer_div_Timer=null;
}

function div_Hide(div_name){
	el(div_name + '_div').style.display='none'; 
	el(div_name + '_div').style.top = -10000; 
	el(div_name + '_div').style.left = -10000;

	el(div_name + '_ifrm').style.display='none'; 
	el(div_name + '_ifrm').style.top = -10000; 
	el(div_name + '_ifrm').style.left = -10000;
}

function div_Show(div_name, btn_name, x, y){
	if(x == null) x = 0;
	if(y == null) y = 0;
	var DivWait = el(div_name + '_div');
	var IfrWait = el(div_name + '_ifrm');
	var posXY = getoffset(el(btn_name));
	DivWait.style.top = (parseInt(x) + parseInt(posXY[0])) + "px";
	DivWait.style.left = (parseInt(y) + parseInt(posXY[1])) + "px";
	DivWait.style.display = "block";
	DivWait.style.zindex = "9";
	IfrWait.style.width = DivWait.offsetWidth;
	IfrWait.style.height = DivWait.offsetHeight;
	IfrWait.style.top = DivWait.style.top;
	IfrWait.style.left = DivWait.style.left;
	IfrWait.style.zIndex = DivWait.style.zIndex - 1;
	IfrWait.style.display = "block";
}

function div_CHide(div_name){
	el(div_name + '_div').style.display='none'; 
	el(div_name + '_div').style.top = -10000; 
	el(div_name + '_div').style.left = -10000;
/*
	el(div_name + '_ifrm').style.display='none'; 
	el(div_name + '_ifrm').style.top = -10000; 
	el(div_name + '_ifrm').style.left = -10000;
*/
}

function div_CShow(div_name){
	var top = mask_scroll_top();
	var sc_xy = mask_screen_xy();
	
	var DivWait = el(div_name + '_div');
	//DivWait.style.width = el("div_image_viewer").offsetWidth;
	//DivWait.style.height =  el("div_image_viewer").offsetHeight;
	DivWait.style.top = parseInt(top) + ( parseInt(sc_xy[1]) - parseInt(DivWait.style.height) ) / 2 - 200; 
	DivWait.style.left = ( parseInt(sc_xy[0]) - parseInt(DivWait.style.width) ) / 2 - 250;
	DivWait.style.display = "block";
/*
	var IfrWait = el(div_name + '_ifrm');
	IfrWait.style.top = DivWait.style.top;
	IfrWait.style.left = DivWait.style.left;
	IfrWait.style.width = DivWait.offsetWidth;
	IfrWait.style.height = DivWait.offsetHeight;
	IfrWait.style.display = "block";
*/
}

function getoffset(e) {
	var t = e.offsetTop;
	var l = e.offsetLeft;
	while(e=e.offsetParent) {
		t += e.offsetTop;
		l += e.offsetLeft;
	}
	var rec = new Array(1);
	rec[0]  = t;
	rec[1] = l;
	return rec;
}



////  build calendar ////////////////////
function build_calendar(id, months) {
Zapatec.Calendar.setup(
		{
		numberMonths  : months,
		monthsInRow	  : 2,
			firstDay  : 0,
			   range  : [1900.01, 2999.12],
		  inputField  : id,         // ID of the input field
		    ifFormat  : "%Y-%m-%d",    // the date format
		      button  : "img_" + id       // ID of the button
		}
);
}


////////// Used to create XMLHttpRequest connetions to server.
function loadXML(location, url) {
	if(window.XMLHttpRequest) {
		// Native XMLHttpRequest call
		req = new XMLHttpRequest();
		//req.overrideMimeType("text/xml");
	} else if (window.ActiveXObject) {
		// IE/Windows ActiveX call
		req = new ActiveXObject("Microsoft.XMLHTTP");
	}
	if(req) {
		//alert("load XML:" + "http://shsilver.com" + location);  // error  in ie7
		//alert("load XML:" + location);
		req.open("POST", location, true);
		req.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
		req.onreadystatechange = processReq;
		req.send(url);
	}
}


////////// Used to process the responces and XML returned by servers after XMLHttpRequest connetion and POST.
function processReq() {
	if(req.readyState == 4) {
		if(req.status == 200) {
		    //alert(req.responseText);
			//var node = req.responseXML.getElementsByTagName("method");
			//if(node.length > 0) {
			//	method = req.responseXML.getElementsByTagName("method")[0].firstChild.data;
			//	eval(method);
			//} else {
				method = get_tag_value(req.responseText,"method");
				if(method != "") {
					eval(method);
				} else {
					alert("Error:\nMethod tag not found.");
				}
			//}
		} else {
			alert("Error:\n" + req.statusText);
		}
	}
}

function loadXML1(location, url) {
  if(window.XMLHttpRequest) {
		req = new XMLHttpRequest();
		req.overrideMimeType("text/xml");
  } else if (window.ActiveXObject) {
		req = new ActiveXObject("Microsoft.XMLHTTP");
		//req = new ActiveXObject("Msxml2.XMLHTTP");
  }
  if(req) {
    //alert("load XML:" + "http://" + location);
    req.open("POST", location, true);
	req.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
    req.onreadystatechange = processReq;
    req.send(url);
  }
}


////////// Used to process the responces and XML returned by servers after XMLHttpRequest connetion and POST.

function has_error(response_text) {
	var error = get_tag_value(req.responseText, "errorMessage"); //req.responseXML.getElementsByTagName("errorMessage");
	if(error.length > 0) {
		var error_message = error;   //error[0].firstChild.data;
		alert(error_message);
		var field = get_tag_value(req.responseText, "errorField"); //req.responseXML.getElementsByTagName("errorField")[0].firstChild.data;
		if(el(field)) {el(field).select(); el(field).focus();}
		return true;
	} else {
		return false;
	}
}

function get_tag_value(xml_text, tagname) {
	var tmp = xml_text.substr(xml_text.indexOf("<" + tagname + ">") + tagname.length + 2, xml_text.indexOf("</"+ tagname + ">") - (xml_text.indexOf("<" + tagname + ">") + tagname.length + 2) );
	tmp = tmp.replace("<![CDATA[","");
	tmp = tmp.replace("]]>","");
	//alert(tagname + ":" + tmp);
	return tmp;	
}

/////////////////////////////////////////////////////////////////////////////////////////////////
//  Function below used for table  row hightlight and rolling 								   //
/////////////////////////////////////////////////////////////////////////////////////////////////																											 
var row_id = new Array();
var old_row_color = '';
var old_selected_color ='';
var highlight_color = '#cccccc'
var selected_color = '#E0D2A8';

function row_mouse_over(current) {
	var table = current.offsetParent;
	if(current.rowIndex != row_id[table.id]) {
		old_row_color = current.style.background;
		current.style.background = highlight_color;
	}
}

function row_mouse_out(current) {
	var table = current.offsetParent;
	if(current.rowIndex != row_id[table.id]) current.style.background = old_row_color;
}

function row_mouse_click(current) {
	var table = current.offsetParent;
	if( table.rows[row_id[table.id]] ) table.rows[row_id[table.id]].style.background = old_selected_color;
	row_id[table.id] = current.rowIndex;
	old_selected_color = old_row_color;
	current.style.background = selected_color;
}
////////////////////////////////////////////////////////////////////////////////////////////////////////


function trim(str) {
	return str.replace(/^\s*|\s*$/g, "");
}

function popUp(URL, height, width) {
	if(height==null) height=600;
	if(width==null) width=800;
	eval("page = window.open(URL, 'popUp', 'toolbar=0, scrollbars=0, location=0, statusbar=0, menubar=0, resizable=0, height=' + height + ', width=' + width + ', left=160, top=80');");
	page.focus();
}

function popUp1(URL) {
	eval("page = window.open(URL, 'popUp', 'toolbar=1, scrollbars=1, location=1, statusbar=1, menubar=1, resizable=1');");
	page.focus();
}

/////////////////////////////////////////////////////////////////////////////////////////////////
//  Mask div																				   //
/////////////////////////////////////////////////////////////////////////////////////////////////																											 
function mask_Hide(mask_nm) {
	el(mask_nm + "_ifrm").style.display='none'; 
	el(mask_nm + "_div").style.display='none'; 
	el(mask_nm + "_mask").style.display='none'; 
}

function mask_Show(mask_nm) {
	var top = mask_scroll_top();
	var sc_xy = mask_screen_xy();

	var DivMask = el(mask_nm + '_mask');
	DivMask.style.top = parseInt(top) + "px";
	DivMask.style.left = 0 + "px";
	DivMask.style.width = sc_xy[0] + "px";
	DivMask.style.height = sc_xy[1] + "px";
	DivMask.style.display = "block";
	
	var DivWait = el(mask_nm + '_div');
	DivWait.style.top = parseInt(top) + ( parseInt(sc_xy[1]) - parseInt(DivWait.style.height) ) / 2 - 100; 
	DivWait.style.left = ( parseInt(sc_xy[0]) - parseInt(DivWait.style.width) ) / 2;
	DivWait.style.display = "block";

	var IfrWait = el(mask_nm + '_ifrm');
	IfrWait.style.top = DivMask.style.top;
	IfrWait.style.left = DivMask.style.left;
	IfrWait.style.width = DivMask.offsetWidth;
	IfrWait.style.height = DivMask.offsetHeight;
	IfrWait.style.display = "block";
}


function mask_screen_xy() {
	var offset_xy = new Array();
	offset_xy[0] = 2;
	offset_xy[1] = 2;
	var xy = new Array();
	xy[0] = 0;
	xy[1] = 0;
  
	if (document.all) {
		xy[0] = document.body.clientWidth;
		xy[1] = document.body.clientHeight;
	} else {
		xy[0] = window.innerWidth - offset_xy[0];
		xy[1] = window.innerHeight - offset_xy[1];
	}
	return xy;
}

function mask_scroll_top() {
	if(document.all) {
		return document.body.scrollTop;
	} else {
		return window.pageYOffset;
	}
}