/*

* Common JS scripts

*/



function gEBI( objId ){

  return document.getElementById( objId );

}



function createCookie( sName, sValue, iDays ){

  sValue = escape( sValue );

  if( iDays ){

    var oDate = new Date();

    oDate.setTime( oDate.getTime() + ( iDays*24*60*60*1000 ) );

    var sExpires = "; expires="+oDate.toGMTString();

  }

  else

    var sExpires = "";

  document.cookie = sName+"="+sValue+sExpires+"; path=/";

}



function throwCookie( sName ){

  var sNameEQ = sName + "=";

  var aCookies = document.cookie.split( ';' );

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

    var c = aCookies[i];

    while( c.charAt(0) == ' ' )

      c = c.substring( 1, c.length );

    if( c.indexOf( sNameEQ ) == 0 )

      return c.substring( sNameEQ.length, c.length );

  }

  return null;

}



function delCookie( sName ){

  createCookie( sName, "", -1 );

}



function isset( sVar ){

  return( typeof( window[sVar] ) != 'undefined' );

}



_bUa=navigator.userAgent.toLowerCase();

_bOp=(_bUa.indexOf("opera")!=-1?true:false);

_bIe=(_bUa.indexOf("msie")!=-1&&!_bOp?true:false);

_bIe4=(_bIe&&(_bUa.indexOf("msie 2.")!=-1||_bUa.indexOf("msie 3.")!=-1||_bUa.indexOf("msie 4.")!=-1)&&!_bOp?true:false)

isIe=function(){return _bIe;}

isOldIe=function(){return _bIe4;}

var olArray=[];



function AddOnload( f ){

  if( isIe && isOldIe ){

    window.onload = ReadOnload;

    olArray[olArray.length] = f;

  }

  else if( window.onload ){

    if( window.onload != ReadOnload ){

      olArray[0] = window.onload;

      window.onload = ReadOnload;

    }

    olArray[olArray.length] = f;

  }

  else

    window.onload=f;

}

function ReadOnload(){

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

    olArray[i]();

  }

}



function txtSize( iSize ){

  var aSizes = Array( '0.917em', '', '1.333em' );

  var aChange = Array( 'pageDescription', 'h5' );

  var aSizesDefault = Array( '1.083em', '1em' );

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

    if( !aSizes[iSize] )

      iSize = 1;

    if( gEBI( aChange[i] ) ){

      gEBI( aChange[i] ).style.fontSize = ( iSize != 1 ) ? aSizes[iSize] : aSizesDefault[i];

    }

    else if( gEBI( 'content' ).getElementsByTagName( aChange[i] ) ){

      aH5 = gEBI( 'content' ).getElementsByTagName( aChange[i] );

      for( var j = 0; j < aH5.length; j++ ){

        aH5[j].style.fontSize =  ( iSize != 1 ) ? aSizes[iSize] : aSizesDefault[i];

      }

    }

  }

}