function clearField( field_name )
{
	document.getElementById( field_name ).value = '';
	document.getElementById( field_name ).style.backgroundColor = '';
}

function highlightFields( field_str )
{
	var fields = field_str.split(',');
	
	for( var i=0; i<fields.length; i++ )
	{
		highlightField( fields[i], '#F6F5CF' ); 
	}
	
}


function highlightField( field_name, field_color )
{
	document.getElementById( field_name ).style.backgroundColor = field_color;
}


function formatCurrency(num) 
{
	num = num.toString().replace(/\$|\,/g,'');
	if(isNaN(num))
	num = "0";
	sign = (num == (num = Math.abs(num)));
	num = Math.floor(num*100+0.50000000001);
	cents = num%100;
	num = Math.floor(num/100).toString();
	if(cents<10)
	cents = "0" + cents;
	for (var i = 0; i < Math.floor((num.length-(1+i))/3); i++)
	num = num.substring(0,num.length-(4*i+3))+','+
	num.substring(num.length-(4*i+3));
	return (((sign)?'':'-') +  num + '.' + cents);
}	//end function

function validate_required_fields(frmName, strTextBoxes)
{
	var oForm = document.getElementById(frmName);
	
	//turn the comma separated list into an array
	var arrBoxes = strTextBoxes.split(",");
	
	error = 0;
	
	//loop thru each box and determine if the text value is empty
	for( var intCount = 0; intCount < arrBoxes.length; intCount++ )
	{
		arrBoxes[intCount] = arrBoxes[intCount].trim_spaces();
		
		//alert( "inCount: " + intCount + " - text box: -->" + arrBoxes[intCount] + "<--" );
		
		var strText = document.getElementById(arrBoxes[intCount]).value;
		
		if( strText.length == 0 )
		{
			error++;
			
		}	//end if
		
	}	//end for loop
	
	//if any errors, then user did not enter all the required fields
	if( error > 0 )
	{
		alert( "Please enter all the required fields." );
		
		valid = false;
		
	}	//end if
	
	else
	{
		valid = true;
		
	}	//end else
	
	return valid;
	
}	//end function

function pop_templates()
{
	window.open('pop_templates.php','admin_pop','width=600,height=400,scrollbars=yes,resizable=yes');	
}

//removes all spaces in a string
function removespaces() 
{
	return this.replace(/.*\S/,'');
	
}	//end function

//trims leading and trailing spaces
function trim_spaces() 
{
	return this.replace(/^\s+/,'').replace(/\s+$/,'');
	
}	//end function

function clear_image( field_id )
{
	document.getElementById( 'pg-' + field_id ).src = 'images/spacer.gif';
	document.getElementById( field_id ).value = '';
	document.getElementById( field_id + '_filename' ).value = '';
}

function clear_link( field_id )
{
	document.getElementById( field_id ).value = '';
	document.getElementById( field_id + '_text' ).innerHTML = '';
	document.getElementById( field_id + '_text' ).style.backgroundColor = '';
}

//assigns a new function to string types
String.prototype.removespaces = removespaces;
String.prototype.trim_spaces = trim_spaces;


function checkNumSelectedOptions( category_id, prefix, field_id ) 
{
    //count of options selected starts at zero
    var count_selected = 0;
    
    //if the main field (category) has not been checked, then go ahead and check it.
    if( document.getElementById(category_id).checked != "checked" ) {
        document.getElementById(category_id).checked = "checked";
    }
        switch( category_id ) {
            case "corporate2":  
                if( document.getElementById("amendment_Certified").checked ) { count_selected++; }
                if( document.getElementById("amendment_Plain").checked ) { count_selected++; }
                if( document.getElementById("amendment_Restated").checked ) { count_selected++; }
            break;
            case "corporate3":  
                if( document.getElementById("annual_rpt_Certified").checked ) { count_selected++; }
                if( document.getElementById("annual_rpt_Plain").checked ) { count_selected++; }
                if( document.getElementById("annual_rpt_Recent").checked ) { count_selected++; }
                if( document.getElementById("annual_rpt_All").checked ) { count_selected++; }
            break;
            case "litigation1":  
                if( document.getElementById("civil_open").checked ) { count_selected++; }
                if( document.getElementById("civil_open_closed").checked ) { count_selected++; }
                if( document.getElementById("civil_def").checked ) { count_selected++; }
                if( document.getElementById("civil_def_pla").checked ) { count_selected++; }
            break; 
            case "litigation2":  
                if( document.getElementById("criminal_open").checked ) { count_selected++; }
                if( document.getElementById("criminal_open_closed").checked ) { count_selected++; }
                if( document.getElementById("criminal_def").checked ) { count_selected++; }
                if( document.getElementById("criminal_def_pla").checked ) { count_selected++; }
            break;
            case "litigation3":  
                if( document.getElementById("judgments_open").checked ) { count_selected++; }
                if( document.getElementById("judgments_open_closed").checked ) { count_selected++; }
                if( document.getElementById("judgments_def").checked ) { count_selected++; }
                if( document.getElementById("judgments_def_pla").checked ) { count_selected++; }
            break;
            case "litigation4":  
                if( document.getElementById("suits_open").checked ) { count_selected++; }
                if( document.getElementById("suits_open_closed").checked ) { count_selected++; }
                if( document.getElementById("suits_def").checked ) { count_selected++; }
                if( document.getElementById("suits_def_pla").checked ) { count_selected++; }
            break;
            case "litigation5":  
                if( document.getElementById("usdc_judgments_open").checked ) { count_selected++; }
                if( document.getElementById("usdc_judgments_open_closed").checked ) { count_selected++; }
                if( document.getElementById("usdc_judgments_def").checked ) { count_selected++; }
                if( document.getElementById("usdc_judgments_def_pla").checked ) { count_selected++; }
            break;  
        }
    
        if( count_selected > 2 ) {
            alert("You can only select 2 options for this field.\n\nPlease un-check one of the other options before selecting this one.")
            
            document.getElementById(field_id).checked = false;   
        }
        //alert( count_selected );
}

function checkAll()
{
    var arrBoxes = document.getElementsByTagName("input");
    
    for(i = 0; i < arrBoxes.length; i++) {
        arrBoxes[i].checked = true;   
    }   
}