//============================================================================
// GeoShopClient Information JavaScript Functions
//                                                                            
// infoGrips GmbH, Obstgartenstrasse 7, 8006 Zürich                           
//============================================================================
// Description:                                                               
//                                                                            
// Contains JavaScript Functions to process URL-Informations from
// the GeoShop-Database
//============================================================================
//									     
// Autor: 	Thomas Gruetter 	Date: 26.06.2001                     
//                                                                            
// Revision:    1.1                                                              
// Autor: 	Thomas Gruetter         Date: 21.08.2001                                
// Description: StringClean new.                                                              
//                                                                            
//============================================================================

//============================================================================
// DocumentInitialize()
//
// Initializes the Document.
//============================================================================

function DocumentInitialize(width,height)
{
var   status;


// Initialize

status = true;

if (navigator.appName != "Netscape") height = height + 200;


// Set Document

window.features = "width=100,height=200";
window.resizeTo(width,height);
window.moveTo(50,20);
window.focus();

// Return

return status;
}

//============================================================================
// StringClean
//
// Clean a String for Umlaute
//============================================================================

function StringClean(string)
{
var   s;
var   c;
var   h;
var   i;


// Initialize

s = "";

// Clean

i = 0;
while (i < string.length)
   {
   c = string.charAt(i);

   if (c.charCodeAt(0) == 37)
      {
      c = String.fromCharCode(parseInt("0x" + string.substr(i+1,2)));
      i=i+2;
      }

   s = s + c;
   i++;
   }

// Return

return s;
}

//============================================================================
// AttributeValueGetFromString
//
// Extracts Attribute-Values from a String identified by an Attribute-Name
//
// The String must contain the Attribute-Name and Attribut-Value seperated
// by a '='. Other pairs of Attribute-Name and Attribut-Value must be separated
// by a '&'.  
//
// e.g.
// p=123&a=15.20
// Attribute-Name  1 = p
// Attribute-Value 1 = 123
// Attribute-Name  2 = a
// Attribute-Value 2 = 15.20
//============================================================================

function AttributeValueGetFromString(string, attrname, attrvaluedefault)
{
var   status;
var   s;
var   p1;
var   p2;


// Initialize

status = true;
attrvalue="";


// Read Attribute

if (status == true)
   {
   s = attrname + "=";

   p1 = string.indexOf(s,0);
   if (p1 < 0) status = false;
   p1 = p1 + s.length;
   }

if (status == true)
   {
   p2 = string.indexOf("&",p1);
   if (p2 <   0) p2 = string.length;
   if (p2 <  p1) status = false;
   }

if (status == true)
   {
   attrvalue = string.substring(p1,p2);
   }
else
   {
   attrvalue = attrvaluedefault;
   }


// Return

return StringClean(attrvalue);
}

//============================================================================
// Attribute Value Search Write
//
// Extracts and writes an Attribute-Value from the active Document-Search-String
// location.search identified by an Attribute-Name.
//
// e.g.
// http://128.0.1.80:3530/data/parzelle_1.html?p=123&a=12.50
// Attribute-Name  = p
// Attribute-Value = 123
//
// The HTML is called like
// e.g.
// http://128.0.1.80:3530/data/parzelle_1.html?p=123&a=12.50
//
// The Function can be called at any Position in the HTML.
// e.g.
// AttributeValueSearchWrite("p") 
//============================================================================

function AttributeValueSearchWrite(attrname)
{

// variables

var   status;
var   attrvalue;


// Initialize

status = true;

// Get Values

attrvalue = AttributeValueGetFromString(location.search, attrname, "-");
attrvalue = attrvalue.replace(/%20/g," ");

document.write(attrvalue);


// Return

return status;
}

//============================================================================
// Attribute Value File Include Write
//
// Extracts and a Filename and includes it.
//
// e.g.
// http://128.0.1.80:3530/data/parzelle_3.html?f=/data/parzelle_3.dat&r=5
// Filecode = f
// Filename = /data/parzelle_3.dat
//
// The HTML is called like
// e.g.
// http://128.0.1.80:3530/data/parzelle_3.html?f=/data/parzelle_3.dat&r=3
//
// The Function can be called at any Position in the HTML.
// e.g.
// AttributeValueFileInclude("f") 
//============================================================================

function AttributeValueFileInclude(fileattrname)
{

// variables

var   status;
var   filename;


// Initialize

status = true;

attrvalue = "-";


// Get File

filename = AttributeValueGetFromString(location.search, fileattrname, "-");
filename = "http://" + document.domain + filename;

document.write("<SCRIPT LANGUAGE=\"JavaScript\" SRC=\"" + filename + "\"></SCRIPT>");


// Return

return status;
}

//============================================================================
// Attribute Value File Write
//
// Extracts and writes an Attribute-Value from a File identified by the Filename an 
// the Attribute-Name.
//
// The File with the data must be included first with AttributeValueFileInclude 
//
// e.g.
// http://128.0.1.80:3530/data/parzelle_2.html?f=/data/parzelle_2.dat
// Filecode = f
// Filename = /data/parzelle_2.dat
//
// The Data in the File must be in the JavaScript-Arrays AttrName and AttrValue
// e.g.
// var AttrName = new Array();
// var AttrValue = new Array();
// AttrName[1]="Parzelle";AttrValue[1]="100";
// AttrName[2]="Flaeche";AttrValue[2]="12.50";
//
// The HTML is called like
// e.g.
// http://128.0.1.80:3530/data/parzelle_2.html?f=/data/parzelle_2.dat
//
// The Function can be called at any Position in the HTML.
// e.g.
// AttributeValueFileWrite("Parzelle") 
//============================================================================

function AttributeValueFileWrite(attrname)
{

// variables

var   status;
var   attrvalue;
var   i;

// Initialize

status = true;

attrvalue = "-";


// Get Attribute Value

for (i=0;i<AttrName.length;i++)
   {
   if (AttrName[i] == attrname)
      {
      attrvalue = AttrValue[i]
      break;
      }
   };

document.write(attrvalue);

// Return

return status;
}

//============================================================================
// Attribute Value File Index Write
//
// Extracts and writes an Attribute-Value from a File identified by the Filename an 
// the Attribute-Name.
//
// The File with the data must be included first with AttributeValueFileInclude 
//
// e.g.
// http://128.0.1.80:3530/data/parzelle_3.html?f=/data/parzelle_3.dat&r=5
// Filecode = f
// Filename = /data/parzelle_3.dat
//
// The Data in the File must be in the JavaScript-Arrays AttrName and AttrValue
// e.g.
// var AttrName = new Array();
// var AttrValue = new Array();
// AttrName[0]="Parzelle";AttrName[1]="Flaeche";
// AttrValue[0] = new Array("023","02.5");
// AttrValue[1] = new Array("123","12.5");
// AttrValue[2] = new Array("223","22.5");
// AttrValue[3] = new Array("323","32.5");
// AttrValue[4] = new Array("423","42.5");
// AttrValue[5] = new Array("523","52.5");
// AttrValue[6] = new Array("623","62.5");
// AttrValue[7] = new Array("723","72.5");
//
// The HTML is called like
// e.g.
// http://128.0.1.80:3530/data/parzelle_3.html?f=/data/parzelle_3.dat&r=3
//
// The Function can be called at any Position in the HTML.
// e.g.
// AttributeValueFileIndexWrite("r","Parzelle") 
//============================================================================

function AttributeValueFileIndexWrite(rowattrname,attrname)
{

// variables

var   status;
var   rowname;
var   row
var   attrvalue;
var   i;

// Initialize

status = true;

attrvalue = "-";


// Get Attribute Value

rowname  = AttributeValueGetFromString(location.search, rowattrname, "-");
row      = parseInt(rowname);

for (i=0;i<AttrName.length;i++)
   {
   if (AttrName[i] == attrname)
      {
      attrvalue = AttrValue[row][i]
      break;
      }
   };

document.write(attrvalue);

// Return

return status;
}

//=============================================================================================
// End of File
//=============================================================================================