Dynamics CRM - Expected Identifier Error in Javascript Code

Hi Experts,

I got this script from a site and just replaced the generic fields in the script with the fields on my form. I am receiving a Javascript error saying 'Expected Identifier' Code 0.

This code basically gets two fields and joins the data into an existing field.

Below is my code.

Many Thanks In Advance.

//Declare your world. 
var strings = new Array(); 
var target = crmForm.all.description; 
 
//A function that check whether there is a legitimate value further on. 
function checkNext(a,i) { 
if (i >= a.length) { 
return false; 
} else if (a[i] != null && a[i] != "") { 
return true; 
} 
else { 
return checkNext(a,i+1); 
} 
} 
 
//A function that add a line to an array 
function addLine(l,t) { 
//If lookup field. 
if (t == 1) { 
if (l.DataValue) { 
return l.DataValue[0].name; 
} else { 
return null; 
} 
//If text field. 
} else if (t == 2) { 
return l.DataValue; 
//If picklist field. 
} else if (t == 3) { 
return l.SelectedText; 
} else { 
return null; 
} 
} 
 
//Add each of the values in order to the array. 
//As the second parameter, enter 1 for lookup fields, 2 for any text field and 3 for picklist fields. 
strings[0] = addLine(crmForm.all.new_service_description,2); 
strings[1] = addLine(crmForm.all.new_service_tasklist,3); 
 
//Loop through the array and chain its 
values. 
for (i=0;i<strings.length;i++) { 
if (strings[i] != null && strings[i] != "" && checkNext(strings,i+1)) { 
if (i==0){ 
target.DataValue = strings[i] + " - "; 
} else { 
target.DataValue += strings[i] + " - "; 
} 
} else if (strings[i] != null && strings[i] 
!= "") { 
if (i==0) { 
target.DataValue = strings[i]; 
} else 
{ 
target.DataValue += strings[i]; 
} 
} 
}

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