//////// Related //////////////

function firstRel(){   

	document.result_form.startrecord_rel.value = 1;

	document.result_form.submit();

}//first()

function previousRel(){

	var pageSize = parseInt(document.result_form.pageSize_rel.value);		

	var startrecord = parseInt(document.result_form.startrecord_rel.value);			

	if(startrecord > 1)   						

		document.result_form.startrecord_rel.value = startrecord - pageSize;			

	document.result_form.submit();

}

function nextRel(){

	var numRecords = parseInt(document.result_form.numRecords_rel.value);

	var pageSize = parseInt(document.result_form.pageSize_rel.value);		

	var startrecord = parseInt(document.result_form.startrecord_rel.value);						

	if(numRecords >= startrecord + pageSize)  				

		document.result_form.startrecord_rel.value = startrecord + pageSize;  

	document.result_form.submit();

}

function lastRel(){

	var numRecords = parseInt(document.result_form.numRecords_rel.value);

	var pageSize = parseInt(document.result_form.pageSize_rel.value);  

	var startrecord = parseInt(document.result_form.startrecord_rel.value);	

	var Pages = 0;

	var newStart = startrecord;

	while (numRecords > (Pages * pageSize))                          																																					                                                                                                                                                                                                                                 								 		

		Pages += 1;			

	if(numRecords >= (Pages - 1) * pageSize + 1) {

		 if ( numRecords >= startrecord + pageSize) {

			newStart = (Pages - 1) * pageSize + 1;

			document.result_form.startrecord_rel.value = newStart;        

		 }	   

	}    

	document.result_form.submit();

}

function hideButtonsRel(object){    

	var numRecords = parseInt(object.forms[0].numRecords_rel.value);

	var pageSize = parseInt(object.forms[0].pageSize_rel.value);  

	var startrecord = parseInt(object.forms[0].startrecord_rel.value);	  

	if(startrecord == 1){

		document.getElementById("b_rel").style.visibility="hidden";

		document.getElementById("bb_rel").style.visibility="hidden";

	}

	if(numRecords < (startrecord + pageSize)){

		document.getElementById("f_rel").style.visibility="hidden";

		document.getElementById("ff_rel").style.visibility="hidden";

	}

} 

///// Shelf Items /////////

function firstSh(){   

	document.result_form.startrecordSh.value = 1;

	document.result_form.submit();

}//first()

function previousSh(){

	var pageSize = parseInt(document.result_form.pageSizeSh.value);		

	var startrecord = parseInt(document.result_form.startrecordSh.value);			

	if(startrecord > 1)   						

		document.result_form.startrecordSh.value = startrecord - pageSize;			

	document.result_form.submit();

}

function nextSh(){

	var numRecords = parseInt(document.result_form.numRecordsSh.value);

	var pageSize = parseInt(document.result_form.pageSizeSh.value);		

	var startrecord = parseInt(document.result_form.startrecordSh.value);						

	if(numRecords >= startrecord + pageSize)  				

		document.result_form.startrecordSh.value = startrecord + pageSize;  

	document.result_form.submit();

}

function lastSh(){

	var numRecords = parseInt(document.result_form.numRecordsSh.value);

	var pageSize = parseInt(document.result_form.pageSizeSh.value);  

	var startrecord = parseInt(document.result_form.startrecordSh.value);	

	var Pages = 0;

	var newStart = startrecord;

	while (numRecords > (Pages * pageSize))                          																																					                                                                                                                                                                                                                                 								 		

		Pages += 1;			

	if(numRecords >= (Pages - 1) * pageSize + 1) {

		 if ( numRecords >= startrecord + pageSize) {

			newStart = (Pages - 1) * pageSize + 1;

			document.result_form.startrecordSh.value = newStart;        

		 }	   

	}    

	document.result_form.submit();

}

function hideButtonsSh(object){

	var numRecords = parseInt(object.forms[0].numRecordsSh.value);

	var pageSize = parseInt(object.forms[0].pageSizeSh.value);  

	var startrecord = parseInt(object.forms[0].startrecordSh.value);	

	if(startrecord == 1){

		document.getElementById("b_sh").style.visibility="hidden";

		document.getElementById("bb_sh").style.visibility="hidden";

	}

	if(numRecords < (startrecord + pageSize)){

		document.getElementById("f_sh").style.visibility="hidden";

		document.getElementById("ff_sh").style.visibility="hidden";

	}

} 

function hideButtonsShFooter(object){

	var numRecords = parseInt(object.forms[0].numRecordsSh.value);

	var pageSize = parseInt(object.forms[0].pageSizeSh.value);  

	var startrecord = parseInt(object.forms[0].startrecordSh.value);	

	if(startrecord == 1){

		document.getElementById("bb_b_sh").style.visibility="hidden";

		document.getElementById("b_b_sh").style.visibility="hidden";

	}

	if(numRecords < (startrecord + pageSize)){

		document.getElementById("f_b_sh").style.visibility="hidden";

		document.getElementById("ff_b_sh").style.visibility="hidden";

	}

}