function setFocus(p_objTextField)
{
    var objTextField = document.getElementById(p_objTextField);
    objTextField.focus();
}


function keyPressed(e)
{
    var keynum;
    
    if (window.event)
    {
      keynum = e.keyCode;
    }
    else if(e.which) // Netscape/Firefox/Opera
    {
        keynum = e.which;
    }
    
    return keynum;
}

function togglesubmenu(p_objSubMenu) 
{
    if (p_objSubMenu != null)
	{
		if (p_objSubMenu.style.display == "none")
        {
            p_objSubMenu.style.display = "";
        }
		else
		{
			p_objSubMenu.style.display = "none";
	    }
	}
}

function MM_preloadImages() 
{ //v3.0
    var d=document; 
    
    if(d.images)
    { 
        if(!d.MM_p) 
            d.MM_p = new Array();
    
        var i,
            j = d.MM_p.length,
            a = MM_preloadImages.arguments; 
            
        for(i = 0; i < a.length; i++)
            if(a[i].indexOf("#") != 0)
            { 
                d.MM_p[j] = new Image; 
                d.MM_p[j++].src = a[i];
            }
    }
}

function MM_swapImgRestore() 
{ //v3.0
    var i,
        x,
        a = document.MM_sr; 
    
    for(i = 0; a&&i < a.length&&(x = a[i])&&x.oSrc; i++) 
        x.src = x.oSrc;
}

function MM_findObj(n, d) 
{ //v4.01
    var p,
        i,
        x;  
        
    if(!d) 
        d = document; 
        
    if((p = n.indexOf("?")) > 0&&parent.frames.length) 
    {
        d = parent.frames[n.substring(p+1)].document; 
        n = n.substring(0,p);
    }
    
    if(!(x = d[n])&&d.all) 
        x = d.all[n]; 
    
    for(i = 0; !x&&i < d.forms.length; i++) 
        x = d.forms[i][n];
    
    for(i = 0; !x&&d.layers&&i < d.layers.length; i++) 
        x = MM_findObj(n,d.layers[i].document);
    
    if(!x && d.getElementById) 
        x = d.getElementById(n); 
        
    return x;
}

function MM_swapImage() 
{ //v3.0
    var i,
        j = 0,
        x,
        a = MM_swapImage.arguments; 
        
    document.MM_sr = new Array; 
    
    for(i = 0; i < (a.length-2); i+=3)
        if((x = MM_findObj(a[i]))!= null)
        {
            document.MM_sr[j++] = x; 
            
            if(!x.oSrc) 
                x.oSrc = x.src; 
                
            x.src = a[i+2];
        }
}

function MM_validateForm() 
{ //v4.0
    var i,
        p,
        q,
        nm,
        test,
        num,
        min,
        max,
        errors = '',
        args = MM_validateForm.arguments;
        
    for(i = 0; i < (args.length - 2); i += 3) 
    { 
        test = args[i+2]; 
        val = MM_findObj(args[i]);
        
        if(val) 
        {
            val.value = TrimAll(val.value); 
            nm = val.name; 
            
            if((val = val.value) != "") 
            {
                if(test.indexOf('isEmail') != -1) 
                { 
                    p = val.indexOf('@');
        
                    if(p < 1 || p == (val.length-1)) 
                        errors += '- ' + args[i+1] + ' must contain an e-mail address.\n';
                        
                } 
                else if(test != 'R') 
                { 
                    num = parseFloat(val);
                    
                    if(isNaN(val)) 
                        errors += '- ' + args[i+1] + ' must contain a number.\n';
                        
                    if(test.indexOf('natural') != -1) 
                    {
                        if(num < 0) 
                            errors += '- ' + args[i+1] + ' must contain a non-negative number.\n'; 
                    }
        
                    if(test.indexOf('inRange') != -1) 
                    { 
                        p = test.indexOf(':');
                        
                        min = test.substring(8,p); 
                        max = test.substring(p+1);
                        
                        if(num < min || max < num) 
                            errors += '- ' + args[i+1] + ' must contain a number between ' + min + ' and ' + max + '.\n';
                    }
                }
            } 
            else if(test.charAt(0) == 'R')
            { 
                errors += '- ' + args[i+1] + ' is required.\n';
            }
            
            //checking maxLength before submitting
            var textobj = MM_findObj(args[i]);
	
	        if(((textobj.type == "text") || (textobj.type == "textarea")) && (textobj.maxlength || textobj.maxLength))
	        {
		        var maxLength;
		        
		        if (textobj.maxlength) 
		            maxLength = textobj.maxlength;
		            
		        if (textobj.maxLength) 
		            maxLength = textobj.maxLength;
		
		        if (textobj.value.length > maxLength)
		        {
			        errors += 'The length of text in field \"' + args[i+1] + '\" should not exceed ' + maxLength + ' characters.\n';
		        }
	        }
	
        }
    } 
    
    if(errors) 
        alert('The following needs validating:\n' + errors);
  
    document.MM_returnValue = (errors == '');
}

function TrimAll(p_s) 
{
	if (p_s == null)
		p_s = ""
	else
		p_s = p_s.replace(/^\s*|\s*$/g,"");
		
	return p_s;
}