function numPage( nv, number, count )
{
	if ( nv == "nv2") {
		if ( number == count ) {
			return number;
		}
		number ++;
	}
	else if ( nv == "nv1") {
		if ( number == "1" ) {
			return number;
		}
		number --;
	}
	return number;
}


function navigator( nv, page, count )
	{       var catalogReg = /(.+)(portfolio)(\d){1}(\d){1}(.+)/;
		var pageReg =    /(.+)(pic_0)(\d){1}(.jpg)/;
		var arrayPage = new Array(count);
		var length = count + 1;

		var catalogNumber = catalogReg.exec( page );
		var pageNumber =    pageReg.exec( page );
                
		var pageNumberNew = numPage( nv, pageNumber[3], count );
		
		//alert ( count + "  " + pageNumberNew );
                
		
		bigpicture.location.href = "images/portfolio" + catalogNumber[3] + "" + catalogNumber[4] + "/pic_0" + pageNumberNew + ".jpg";
		
		for ( var i = 1; i < length; i++ )
		{
			if ( pageNumberNew == i )
			{
				 arrayPage[i] = "on";
			}
			else
			{
				arrayPage[i] = "off";
			}
		}
		//alert ( " length = "+length+"    page = "+page+"   count"+count+"      1 = "+thumb01.src+" 2 = "+thumb02.src+" 3 = "+thumb03.src+" 4 = "+thumb04.src+" 5 = "+thumb05.src+" 6 = "+thumb06.src+" 7 = "+thumb07.src+" 8 = "+thumb08.src+" 9 = "+thumb09.src );
		  
		thumb01.src="images/portfolio" + catalogNumber[3] + "" + catalogNumber[4] + "/thumb_01_" + arrayPage[1]  + ".jpg";
		thumb02.src="images/portfolio" + catalogNumber[3] + "" + catalogNumber[4] + "/thumb_02_" + arrayPage[2]  + ".jpg";
		thumb03.src="images/portfolio" + catalogNumber[3] + "" + catalogNumber[4] + "/thumb_03_" + arrayPage[3]  + ".jpg";
		thumb04.src="images/portfolio" + catalogNumber[3] + "" + catalogNumber[4] + "/thumb_04_" + arrayPage[4]  + ".jpg";
		thumb05.src="images/portfolio" + catalogNumber[3] + "" + catalogNumber[4] + "/thumb_05_" + arrayPage[5]  + ".jpg";
		thumb06.src="images/portfolio" + catalogNumber[3] + "" + catalogNumber[4] + "/thumb_06_" + arrayPage[6]  + ".jpg";
		thumb07.src="images/portfolio" + catalogNumber[3] + "" + catalogNumber[4] + "/thumb_07_" + arrayPage[7]  + ".jpg";
		thumb08.src="images/portfolio" + catalogNumber[3] + "" + catalogNumber[4] + "/thumb_08_" + arrayPage[8]  + ".jpg";
		thumb09.src="images/portfolio" + catalogNumber[3] + "" + catalogNumber[4] + "/thumb_09_" + arrayPage[9]  + ".jpg";
		

 	return true;	
		
			 
	}