/*
 * Táto funkcia overuje spravnost vyplnenia formulara na polozky v JEDALNOM LISTKU
 */
function fpoh_text(poh_text)
{
	if (poh_text.komu.value=="") {alert("Zadajte komu!"); poh_text.komu.focus(); return false;}
	if (poh_text.email.value=="") {alert("Zadajte email!"); poh_text.email.focus(); return false;}
	re=new RegExp("^[^@]+@[^.]+\..+$");
	if (!re.test(poh_text.email.value)) {alert("Nesprávne zadaný email!"); poh_text.email.focus(); return false;}
	if (poh_text.text.value=="") {alert("Zadajte text!"); poh_text.text.focus(); return false;}
	if (poh_text.od.value=="") {alert("Zadajte od koho!"); poh_text.od.focus(); return false;}
	if (!(poh_text.email_od.value==""))
	{
		re=new RegExp("^[^@]+@[^.]+\..+$");
		if (!re.test(poh_text.email_od.value)) {alert("Nesprávne zadaný email!"); poh_text.email_od.focus(); return false;}
	}
}
/* End of function fformmail */


/* Urcuje typ priehliadaca */
function browser()
{
	if (navigator.appName=="Microsoft Internet Explorer")
	{
		document.write("IE");
	}
	else
	{
		document.write("Iný");
	}
}

/*  Na zmenu obrazku  */
function FindObject(n, d)
{
	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);
	return x;
}
function Img_Neg()
{
	var i,j=0,x,a=Img_Neg.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
	if ((x=FindObject(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
	
/* Na zmenu obrazku v background*/
function over(row, ver)
{
	x = row.getElementsByTagName('td');
	x[0].setAttribute('background', "./main/images/left"+ver+".gif", 0);
}

function out(row, ver)
{
	x = row.getElementsByTagName('td');
	x[0].setAttribute('background', "./main/images/blank"+ver+".gif", 0);
}











/**
 * This array is used to remember mark status of rows in browse mode
 */
var marked_row = new Array;


/**
 * Sets/unsets the pointer and marker in browse mode
 *
 * @param   object    the table row
 * @param   interger  the row number
 * @param   string    the action calling this script (over, out or click)
 * @param   string    the default background color
 * @param   string    the color to use for mouseover
 * @param   string    the color to use for marking a row
 *
 * @return  boolean  whether pointer is set or not
 */
function setPointer(theRow, theRowNum, theAction, theDefaultColor, thePointerColor, theMarkColor)
{
    var theCells = null;

    // 1. Pointer and mark feature are disabled or the browser can't get the
    //    row -> exits
    if ((thePointerColor == '' && theMarkColor == '')
        || typeof(theRow.style) == 'undefined') {
        return false;
    }

    // 2. Gets the current row and exits if the browser can't get it
    if (typeof(document.getElementsByTagName) != 'undefined') {
        theCells = theRow.getElementsByTagName('td');
    }
    else if (typeof(theRow.cells) != 'undefined') {
        theCells = theRow.cells;
    }
    else {
        return false;
    }

    // 3. Gets the current color...
    var rowCellsCnt  = theCells.length;
    var domDetect    = null;
    var currentColor = null;
    var newColor     = null;
    // 3.1 ... with DOM compatible browsers except Opera that does not return
    //         valid values with "getAttribute"
    if (typeof(window.opera) == 'undefined'
        && typeof(theCells[0].getAttribute) != 'undefined') {
        currentColor = theCells[0].getAttribute('bgcolor');
        domDetect    = true;
    }
    // 3.2 ... with other browsers
    else {
        currentColor = theCells[0].style.backgroundColor;
        domDetect    = false;
    } // end 3

    // 3.3 ... Opera changes colors set via HTML to rgb(r,g,b) format so fix it
    if (currentColor.indexOf("rgb") >= 0) 
    {
        var rgbStr = currentColor.slice(currentColor.indexOf('(') + 1,
                                     currentColor.indexOf(')'));
        var rgbValues = rgbStr.split(",");
        currentColor = "#";
        var hexChars = "0123456789ABCDEF";
        for (var i = 0; i < 3; i++)
        {
            var v = rgbValues[i].valueOf();
            currentColor += hexChars.charAt(v/16) + hexChars.charAt(v%16);
        }
    }

    // 4. Defines the new color
    // 4.1 Current color is the default one
    if (currentColor == ''
        || currentColor.toLowerCase() == theDefaultColor.toLowerCase()) {
        if (theAction == 'over' && thePointerColor != '') {
            newColor              = thePointerColor;
        }
        else if (theAction == 'click' && theMarkColor != '') {
            newColor              = theMarkColor;
            marked_row[theRowNum] = true;
        }
    }
    // 4.1.2 Current color is the pointer one
    else if (currentColor.toLowerCase() == thePointerColor.toLowerCase()
             && (typeof(marked_row[theRowNum]) == 'undefined' || !marked_row[theRowNum])) {
        if (theAction == 'out') {
            newColor              = theDefaultColor;
        }
        else if (theAction == 'click' && theMarkColor != '') {
            newColor              = theMarkColor;
            marked_row[theRowNum] = true;
        }
    }
    // 4.1.3 Current color is the marker one
    else if (currentColor.toLowerCase() == theMarkColor.toLowerCase()) {
        if (theAction == 'click') {
            newColor              = (thePointerColor != '')
                                  ? thePointerColor
                                  : theDefaultColor;
            marked_row[theRowNum] = (typeof(marked_row[theRowNum]) == 'undefined' || !marked_row[theRowNum])
                                  ? true
                                  : null;
        }
    } // end 4

    // 5. Sets the new color...
    if (newColor) {
        var c = null;
        // 5.1 ... with DOM compatible browsers except Opera
        if (domDetect) {
            for (c = 0; c < rowCellsCnt; c++) {
                theCells[c].setAttribute('bgcolor', newColor, 0);
            } // end for
        }
        // 5.2 ... with other browsers
        else {
            for (c = 0; c < rowCellsCnt; c++) {
                theCells[c].style.backgroundColor = newColor;
            }
        }
    } // end 5

    return true;
} // end of the 'setPointer()' function

/*
 * Sets/unsets the pointer and marker in vertical browse mode
 *
 * @param   object    the table row
 * @param   interger  the row number
 * @param   string    the action calling this script (over, out or click)
 * @param   string    the default background color
 * @param   string    the color to use for mouseover
 * @param   string    the color to use for marking a row
 *
 * @return  boolean  whether pointer is set or not
 *
 * @author Garvin Hicking <me@supergarv.de> (rewrite of setPointer.)
 */
function setVerticalPointer(theRow, theRowNum, theAction, theDefaultColor1, theDefaultColor2, thePointerColor, theMarkColor) {
    var theCells = null;

    // 1. Pointer and mark feature are disabled or the browser can't get the
    //    row -> exits
    if ((thePointerColor == '' && theMarkColor == '')
        || typeof(theRow.style) == 'undefined') {
        return false;
    }

    // 2. Gets the current row and exits if the browser can't get it
    if (typeof(document.getElementsByTagName) != 'undefined') {
        theCells = theRow.getElementsByTagName('td');
    }
    else if (typeof(theRow.cells) != 'undefined') {
        theCells = theRow.cells;
    }
    else {
        return false;
    }

    // 3. Gets the current color...
    var rowCellsCnt  = theCells.length;
    var domDetect    = null;
    var currentColor = null;
    var newColor     = null;

    // 3.1 ... with DOM compatible browsers except Opera that does not return
    //         valid values with "getAttribute"
    if (typeof(window.opera) == 'undefined'
        && typeof(theCells[0].getAttribute) != 'undefined') {
        currentColor = theCells[0].getAttribute('bgcolor');
        domDetect    = true;
    }
    // 3.2 ... with other browsers
    else {
        domDetect    = false;
    } // end 3

    var c = null;
    // 5.1 ... with DOM compatible browsers except Opera
    for (c = 0; c < rowCellsCnt; c++) {
        if (domDetect) {
            currentColor = theCells[c].getAttribute('bgcolor');
        } else {
            currentColor = theCells[c].style.backgroundColor;
        }

        // 4. Defines the new color
        // 4.1 Current color is the default one
        if (currentColor == ''
            || currentColor.toLowerCase() == theDefaultColor1.toLowerCase()
            || currentColor.toLowerCase() == theDefaultColor2.toLowerCase()) {
            if (theAction == 'over' && thePointerColor != '') {
                newColor              = thePointerColor;
            } else if (theAction == 'click' && theMarkColor != '') {
                newColor              = theMarkColor;
                marked_row[theRowNum] = true;
            }
        }
        // 4.1.2 Current color is the pointer one
        else if (currentColor.toLowerCase() == thePointerColor.toLowerCase()
                 && (typeof(marked_row[theRowNum]) == 'undefined' || !marked_row[theRowNum])) {
            if (theAction == 'out') {
                if (c % 2) {
                    newColor              = theDefaultColor1;
                } else {
                    newColor              = theDefaultColor2;
                }
            }
            else if (theAction == 'click' && theMarkColor != '') {
                newColor              = theMarkColor;
                marked_row[theRowNum] = true;
            }
        }
        // 4.1.3 Current color is the marker one
        else if (currentColor.toLowerCase() == theMarkColor.toLowerCase()) {
            if (theAction == 'click') {
                newColor              = (thePointerColor != '')
                                      ? thePointerColor
                                      : ((c % 2) ? theDefaultColor1 : theDefaultColor2);
                marked_row[theRowNum] = (typeof(marked_row[theRowNum]) == 'undefined' || !marked_row[theRowNum])
                                      ? true
                                      : null;
            }
        } // end 4

        // 5. Sets the new color...
        if (newColor) {
            if (domDetect) {
                theCells[c].setAttribute('bgcolor', newColor, 0);
            }
            // 5.2 ... with other browsers
            else {
                theCells[c].style.backgroundColor = newColor;
            }
        } // end 5
    } // end for

     return true;
 } // end of the 'setVerticalPointer()' function