function str_replace(ch,nch,str){
    var chl = ch.length;
    var nchl = nch.length;
    var i = str.indexOf(ch);
    while(i>-1){
        str = str.substring(0,i)+nch+str.substring(i+chl);
        i = str.indexOf(ch,i+nchl);
    }
    return str;
}

function visbillede(id) {
	window.open('/billedvisning.php?id=' + id,'Billedviser','top=0,left=0,width=50,height=50');
}

function onhover(row,antal) {
	for(i=1;i<=antal;i++) {
		document.getElementById('row_' + row + '_' + i).style.backgroundColor = '#CCCCCC';
	}
}

function outhover(row,antal,color) {
	for(i=1;i<=antal;i++) {
		document.getElementById('row_' + row + '_' + i).style.backgroundColor = color;
	}
}