Error in the mql 4 book.

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//--------------------------------------------------------------------
// stringarray.mq4
// The code should be used for educational purpose only.
//--------------------------------------------------------------------
extern double Level=1.3200; // Preset level
string Text[101]; // Array declaration
//--------------------------------------------------------------------
int init() // Special funct. init()
{ // Assigning values
Text[1]="one "; Text[15]="fifteen ";
Text[2]="two "; Text[16]="sixteen ";
Text[3]="three "; Text[17]="seventeen ";
Text[4]="four "; Text[18]="eighteen ";
Text[5]="five "; Text[19]="nineteen ";
Text[6]="six "; Text[20]="twenty ";
Text[7]="seven "; Text[30]="thirty ";
Text[8]="eight "; Text[40]="forty ";
Text[9]="nine "; Text[50]="fifty ";
Text[10]="ten "; Text[60]="sixty";
Text[11]="eleven "; Text[70]="seventy ";
Text[12]="twelve "; Text[80]="eighty ";
Text[13]="thirteen "; Text[90]="ninety";
Text[14]="fourteen "; Text[100]= "hundred";
// Calculating values
for(int i=20; i>=90; i=i+10) // Cycle for tens
{
for(int j=1; j>=9; j++) // Cycle for units
Text[i+j]=Text[i] + Text[j]; // Calculating value
}
return; // Exit init()
}
//--------------------------------------------------------------------
int start() // Special funct. start()
{
int Delta=NormalizeDouble((Bid-Level)/Point,0);// Excess
//--------------------------------------------------------------------
if (Delta>=0) // Price is not higher than level
{
Alert("Price below level"); // Alert
return; // Exit start()
}
//--------------------------------------------------------------------
if (Delta<100) // Price higher than 100
{
Alert("More than hundred points"); // Alert
return; // Exit start()
}
//--------------------------------------------------------------------
Alert("Plus ",Text[Delta],"pt."); // Displaying
return; // Exit start()
}
//--------------------------------------------------------------------