function checkUserSearch() {
	if (document.accountSearchForm.account_material_property_name.value=='' || document.accountSearchForm.account_material_property.value=='') {
		document.accountSearchForm.account_material_property.value='';
		document.accountSearchForm.account_material_property_name.value='';
	}
}

function disableMatBuyPeriod(perdate){
	var radioGroups1 = ["account_material_buy_period_from","account_material_buy_period_to"]; 
	var radioGroups2 = ["account_material_buy_period_qta","account_material_buy_period_unit"];
	for(var i=0;i<radioGroups1.length;i++) {
		var thisradioGroup = document.getElementsByName(radioGroups1[i]);
		for(var j=0;j<thisradioGroup.length;j++){ 
			thisradioGroup[j].disabled = (perdate==undefined || perdate==true);
		}
	}
	for(var i=0;i<radioGroups2.length;i++) {
		var thisradioGroup = document.getElementsByName(radioGroups2[i]);
		for(var j=0;j<thisradioGroup.length;j++){ 
			thisradioGroup[j].disabled = (perdate==undefined || perdate==false);
		}
	}
}

function initPageAccountPages(){
	var thisradioGroup = document.getElementsByName("account_material_buy_period");
	for(var j=0;j<thisradioGroup.length;j++){
		if (thisradioGroup[j].checked && thisradioGroup[j].value=='') {
			disableMatBuyPeriod();
		} else
		if (thisradioGroup[j].checked && thisradioGroup[j].value=='date') {
			disableMatBuyPeriod(false);
		} else
		if (thisradioGroup[j].checked && thisradioGroup[j].value=='period') {
			disableMatBuyPeriod(true);
		}
	}
	
	thisradioGroup = document.getElementsByName("account_material_prod");
	for(var j=0;j<thisradioGroup.length;j++){
		if (thisradioGroup[j].checked && thisradioGroup[j].value=='1') {
			YAHOO.util.Dom.get("accountGroup").disabled=true;
		}
	}
}

function disableMatBuy(disable){
	var radioGroups = ["material_buy_period_from","material_buy_period_to","material_buy_period_qta","material_buy_period_unit"]; 
	YAHOO.util.Dom.get("divMatBuy").style.display=(disable)?"none":"block";
	YAHOO.util.Dom.get("trMatBuy").style.display=(disable)?"none":"block";
	if (disable) {
		YAHOO.util.Dom.get("accountGroup").disabled=true;
	} else {
		YAHOO.util.Dom.get("accountGroup").disabled=false;
	}
	for(var i=0;i<radioGroups.length;i++) {
		var thisradioGroup = document.getElementsByName(radioGroups[i]);
		for(var j=0;j<thisradioGroup.length;j++){ 
			thisradioGroup[j].disabled = disable;
		}
	}
}