function gallery(url){
window.open(url,'Image Gallery','width=600,height=450,scrollbars=no, resizable=no,status=no');
}
function printPage(url){
window.open(url,'print current Page','width=750,height=600,scrollbars=yes, resizable=no,status=no');
}
function previewPage(url){
window.open(url,'preview Page','width=700,height=600,scrollbars=yes, resizable=no,status=no');
}
function documentation(url){
window.open(url,'preview Page','width=700,height=600,scrollbars=yes, resizable=no,status=no');
}
function changeFieldValueAndStyle(fieldname){
	document.getElementsByName(fieldname)[0].value='';
	document.getElementsByName(fieldname)[0].style.color='#000000';
}
function changeFieldStyle(fieldname){
	document.getElementsByName(fieldname)[0].style.color='#000000';
}